forked from Imagelibrary/rtems
atsam: Add user defined RX/TX descriptor counts
This commit is contained in:
committed by
Sebastian Huber
parent
c51e6d915c
commit
f6fdf2eb7b
@@ -101,7 +101,6 @@
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#define GMAC_PROM_ENABLE (1u << 4)
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/** RX Defines */
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#define GMAC_RX_BD_COUNT 8
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#define GMAC_RX_BUFFER_SIZE 1536
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#define GMAC_RX_BUF_DESC_ADDR_MASK 0xFFFFFFFC
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#define GMAC_RX_SET_OFFSET (1u << 15)
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@@ -109,7 +108,6 @@
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#define GMAC_RX_SET_WRAP (1u << 1)
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#define GMAC_RX_SET_USED (1u << 0)
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/** TX Defines */
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#define GMAC_TX_BD_COUNT 128
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#define GMAC_TX_SET_EOF (1u << 15)
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#define GMAC_TX_SET_WRAP (1u << 30)
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#define GMAC_TX_SET_USED (1u << 31)
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@@ -117,8 +115,9 @@
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#define GMAC_DESCRIPTOR_ALIGNMENT 8
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/** Events */
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#define ATSAMV7_ETH_EVENT_INTERRUPT RTEMS_EVENT_1
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#define ATSAMV7_ETH_START_TRANSMIT_EVENT RTEMS_EVENT_2
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#define ATSAMV7_ETH_RX_EVENT_INTERRUPT RTEMS_EVENT_1
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#define ATSAMV7_ETH_TX_EVENT_INTERRUPT RTEMS_EVENT_2
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#define ATSAMV7_ETH_START_TRANSMIT_EVENT RTEMS_EVENT_3
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#define ATSAMV7_ETH_RX_DATA_OFFSET 2
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@@ -136,6 +135,12 @@ typedef struct if_atsam_gmac {
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uint8_t phy_address;
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} if_atsam_gmac;
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typedef struct ring_buffer {
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unsigned tx_bd_used;
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unsigned tx_bd_free;
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size_t length;
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} ring_buffer;
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/*
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* Per-device data
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*/
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@@ -152,17 +157,19 @@ typedef struct if_atsam_softc {
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rtems_vector_number interrupt_number;
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struct mbuf **rx_mbuf;
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struct mbuf **tx_mbuf;
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unsigned tx_bd_remove;
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unsigned tx_bd_insert;
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volatile sGmacTxDescriptor *tx_bd_base;
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uint32_t anlpar;
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size_t rx_bd_fill_idx;
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size_t amount_rx_buf;
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size_t amount_tx_buf;
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ring_buffer tx_ring;
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/*
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* Statistics
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*/
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unsigned rx_overrun_errors;
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unsigned rx_interrupts;
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unsigned tx_complete_int;
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unsigned tx_tur_errors;
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unsigned tx_rlex_errors;
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unsigned tx_tfc_errors;
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@@ -182,13 +189,12 @@ static struct mbuf *if_atsam_new_mbuf(struct ifnet *ifp)
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if ((m->m_flags & M_EXT) != 0) {
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m->m_pkthdr.rcvif = ifp;
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m->m_data = mtod(m, char *);
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rtems_cache_invalidate_multiple_data_lines(mtod(m, void *),
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GMAC_RX_BUFFER_SIZE);
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} else {
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m_free(m);
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m = NULL;
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}
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rtems_cache_invalidate_multiple_data_lines(mtod(m, void *),
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GMAC_RX_BUFFER_SIZE);
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}
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return (m);
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}
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@@ -219,9 +225,7 @@ if_atsam_write_phy(Gmac *pHw, uint8_t PhyAddress, uint8_t Address,
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uint32_t Value, uint32_t retry)
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{
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GMAC_PHYMaintain(pHw, PhyAddress, Address, 0, (uint16_t)Value);
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TRACE_DEBUG(" Write Access\n\r");
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if (if_atsam_wait_phy(pHw, retry) == 1) {
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TRACE_ERROR("TimeOut WritePhy\n\r");
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return (1);
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}
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return (0);
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@@ -232,10 +236,8 @@ static uint8_t
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if_atsam_read_phy(Gmac *pHw,
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uint8_t PhyAddress, uint8_t Address, uint32_t *pvalue, uint32_t retry)
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{
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TRACE_DEBUG(" Read Access\n\r");
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GMAC_PHYMaintain(pHw, PhyAddress, Address, 1, 0);
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if (if_atsam_wait_phy(pHw, retry) == 1) {
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TRACE_ERROR("TimeOut ReadPhy\n\r");
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return (1);
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}
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*pvalue = GMAC_PHYData(pHw);
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@@ -252,8 +254,6 @@ static void atsamv7_find_valid_phy(if_atsam_gmac *gmac_inst)
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uint8_t rc;
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uint8_t phy_address;
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TRACE_DEBUG("GMACB_FindValidPhy\n\r");
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phy_address = gmac_inst->phy_address;
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retry_max = gmac_inst->retries;
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@@ -270,24 +270,16 @@ static void atsamv7_find_valid_phy(if_atsam_gmac *gmac_inst)
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rv = if_atsam_read_phy(pHw, phy_address, MII_PHYIDR1,
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&value, retry_max);
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if (rv == 0 && value != 0 && value >= 0xffff) {
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TRACE_DEBUG("_PHYID1 : 0x%X, addr: %d\n\r", value,
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phy_address);
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rc = phy_address;
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break;
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} else {
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TRACE_ERROR("MACB PROBLEM\n\r");
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}
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}
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if (rc != 0xFF) {
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TRACE_DEBUG("** Valid PHY Found: %d\n\r", rc);
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if_atsam_read_phy(pHw, phy_address, MII_PHYIDR1, &value,
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retry_max);
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TRACE_DEBUG("_PHYID1R : 0x%X, addr: %d\n\r", value,
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phy_address);
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if_atsam_read_phy(pHw, phy_address, MII_PHYIDR2, &value,
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retry_max);
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TRACE_DEBUG("_EMSR : 0x%X, addr: %d\n\r", value, phy_address);
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gmac_inst->phy_address = phy_address;
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}
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}
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@@ -303,8 +295,6 @@ static uint8_t if_atsam_reset_phy(if_atsam_gmac *gmac_inst)
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Gmac *pHw = gmac_inst->gGmacd.pHw;
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TRACE_DEBUG(" GMACB_ResetPhy\n\r");
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phy_address = gmac_inst->phy_address;
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retry_max = gmac_inst->retries;
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@@ -332,12 +322,9 @@ if_atsam_init_phy(if_atsam_gmac *gmac_inst, uint32_t mck,
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Gmac *pHw = gmac_inst->gGmacd.pHw;
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/* Perform RESET */
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TRACE_DEBUG("RESET PHY\n\r");
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if (pResetPins) {
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/* Configure PINS */
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PIO_Configure(pResetPins, nbResetPins);
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TRACE_DEBUG(" Hard Reset of GMACD Phy\n\r");
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PIO_Clear(pResetPins);
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rtems_task_wake_after(1);
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PIO_Set(pResetPins);
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@@ -348,14 +335,10 @@ if_atsam_init_phy(if_atsam_gmac *gmac_inst, uint32_t mck,
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rc = GMAC_SetMdcClock(pHw, mck);
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if (!rc) {
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TRACE_ERROR("No Valid MDC clock\n\r");
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return (0);
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}
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if_atsam_reset_phy(gmac_inst);
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} else {
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TRACE_ERROR("PHY Reset Timeout\n\r");
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}
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return (rc);
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}
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@@ -368,11 +351,7 @@ static int if_atsam_mdio_read(int phy, void *arg, unsigned reg, uint32_t *pval)
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{
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if_atsam_softc *sc = (if_atsam_softc *)arg;
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TRACE_DEBUG("Mdio read\n\r");
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TRACE_DEBUG("%i\n", phy);
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if (!if_atsam_is_valid_phy(phy)) {
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TRACE_ERROR("Mdio read invalid phy\n\r");
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return (EINVAL);
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}
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@@ -385,10 +364,7 @@ static int if_atsam_mdio_write(int phy, void *arg, unsigned reg, uint32_t pval)
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{
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if_atsam_softc *sc = (if_atsam_softc *)arg;
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TRACE_DEBUG("Mdio write\n\r");
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if (!if_atsam_is_valid_phy(phy)) {
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TRACE_ERROR("Mdio write invalid phy\n\r");
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return (EINVAL);
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}
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@@ -414,10 +390,10 @@ static void if_atsam_interrupt_handler(void *arg)
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/* Check receive interrupts */
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if ((irq_status_val & GMAC_IER_ROVR) != 0) {
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++sc->rx_overrun_errors;
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rx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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rx_event = ATSAMV7_ETH_RX_EVENT_INTERRUPT;
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}
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if ((irq_status_val & GMAC_IER_RCOMP) != 0) {
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rx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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rx_event = ATSAMV7_ETH_RX_EVENT_INTERRUPT;
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}
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/* Send events to receive task and switch off rx interrupts */
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if (rx_event != 0) {
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@@ -428,23 +404,23 @@ static void if_atsam_interrupt_handler(void *arg)
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}
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if ((irq_status_val & GMAC_IER_TUR) != 0) {
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++sc->tx_tur_errors;
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tx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT;
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}
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if ((irq_status_val & GMAC_IER_RLEX) != 0) {
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++sc->tx_rlex_errors;
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tx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT;
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}
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if ((irq_status_val & GMAC_IER_TFC) != 0) {
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++sc->tx_tfc_errors;
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tx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT;
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}
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if ((irq_status_val & GMAC_IER_HRESP) != 0) {
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TRACE_DEBUG("Tx interrupts: %u\n", sc->tx_interrupts);
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++sc->tx_hresp_errors;
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tx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT;
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}
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if ((irq_status_val & GMAC_IER_TCOMP) != 0) {
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tx_event = ATSAMV7_ETH_EVENT_INTERRUPT;
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++sc->tx_complete_int;
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tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT;
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}
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/* Send events to transmit task and switch off tx interrupts */
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if (tx_event != 0) {
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@@ -454,14 +430,11 @@ static void if_atsam_interrupt_handler(void *arg)
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(void)rtems_bsdnet_event_send(sc->tx_daemon_tid, tx_event);
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}
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}
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/*
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* Receive daemon
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*/
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static void if_atsam_rx_daemon(void *arg)
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{
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TRACE_DEBUG(" rx daemon\n\r");
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if_atsam_softc *sc = (if_atsam_softc *)arg;
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rtems_event_set events = 0;
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void *rx_bd_base;
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@@ -488,13 +461,13 @@ static void if_atsam_rx_daemon(void *arg)
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/* Allocate memory space for buffer descriptor list */
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rx_bd_base = rtems_cache_coherent_allocate(
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GMAC_RX_BD_COUNT * sizeof(sGmacRxDescriptor),
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sc->amount_rx_buf * sizeof(sGmacRxDescriptor),
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GMAC_DESCRIPTOR_ALIGNMENT, 0);
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assert(rx_bd_base != NULL);
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buffer_desc = (sGmacRxDescriptor *)rx_bd_base;
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/* Create descriptor list and mark as empty */
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for (sc->rx_bd_fill_idx = 0; sc->rx_bd_fill_idx < GMAC_RX_BD_COUNT;
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for (sc->rx_bd_fill_idx = 0; sc->rx_bd_fill_idx < sc->amount_rx_buf;
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++sc->rx_bd_fill_idx) {
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m = if_atsam_new_mbuf(&sc->arpcom.ac_if);
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assert(m != NULL);
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@@ -502,7 +475,7 @@ static void if_atsam_rx_daemon(void *arg)
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buffer_desc->addr.val = ((uint32_t)m->m_data) &
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GMAC_RX_BUF_DESC_ADDR_MASK;
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buffer_desc->status.val = 0;
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if (sc->rx_bd_fill_idx == (GMAC_RX_BD_COUNT - 1)) {
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if (sc->rx_bd_fill_idx == (sc->amount_rx_buf - 1)) {
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buffer_desc->addr.bm.bWrap = 1;
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} else {
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buffer_desc++;
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@@ -518,11 +491,7 @@ static void if_atsam_rx_daemon(void *arg)
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GMAC_SetRxQueue(pHw, (uint32_t)buffer_desc, 0);
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/* Set address for address matching */
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TRACE_DEBUG("Connect the board to a host PC via an ethernet cable\n\r");
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GMAC_SetAddress(pHw, 0, sc->GMacAddress);
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TRACE_DEBUG("-- MAC %x:%x:%x:%x:%x:%x\n\r",
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sc->GMacAddress[0], sc->GMacAddress[1], sc->GMacAddress[2],
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sc->GMacAddress[3], sc->GMacAddress[4], sc->GMacAddress[5]);
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/* Enable Receiving of data */
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GMAC_ReceiveEnable(pHw, 1);
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@@ -533,21 +502,16 @@ static void if_atsam_rx_daemon(void *arg)
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sc->rx_bd_fill_idx = 0;
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while (true) {
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TRACE_DEBUG("Wait for receive event\n");
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/* Wait for events */
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rtems_bsdnet_event_receive(ATSAMV7_ETH_EVENT_INTERRUPT,
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rtems_bsdnet_event_receive(ATSAMV7_ETH_RX_EVENT_INTERRUPT,
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RTEMS_EVENT_ANY | RTEMS_WAIT,
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RTEMS_NO_TIMEOUT, &events);
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TRACE_DEBUG("Receive event received\n");
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/*
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* Check for all packets with a set ownership bit
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*/
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while (buffer_desc->addr.bm.bOwnership == 1) {
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if (buffer_desc->status.bm.bEof == 1) {
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TRACE_DEBUG("Buffer Descriptor %i\n",
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sc->rx_bd_fill_idx);
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m = sc->rx_mbuf[sc->rx_bd_fill_idx];
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/* New mbuf for desc */
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@@ -567,6 +531,9 @@ static void if_atsam_rx_daemon(void *arg)
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m->m_data = (void *)(eh + 1);
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ether_input(&sc->arpcom.ac_if, eh, m);
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m = n;
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} else {
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(void)rtems_bsdnet_event_send(
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sc->tx_daemon_tid, ATSAMV7_ETH_START_TRANSMIT_EVENT);
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}
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sc->rx_mbuf[sc->rx_bd_fill_idx] = m;
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tmp_rx_bd_address = (uint32_t)m->m_data &
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@@ -574,7 +541,7 @@ static void if_atsam_rx_daemon(void *arg)
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/* Switch pointer to next buffer descriptor */
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if (sc->rx_bd_fill_idx ==
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(GMAC_RX_BD_COUNT - 1)) {
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(sc->amount_rx_buf - 1)) {
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tmp_rx_bd_address |= GMAC_RX_SET_WRAP;
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sc->rx_bd_fill_idx = 0;
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} else {
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@@ -597,15 +564,32 @@ static void if_atsam_rx_daemon(void *arg)
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}
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}
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/*
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* Update of current transmit buffer position.
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*/
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static void if_atsam_tx_bd_pos_update(size_t *pos)
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static void if_atsam_tx_bd_pos_update(size_t *pos, size_t amount_tx_buf)
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{
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*pos = (*pos + 1) % GMAC_TX_BD_COUNT;
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*pos = (*pos + 1) % amount_tx_buf;
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}
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/*
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* Is RingBuffer empty
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*/
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static bool if_atsam_ring_buffer_empty(ring_buffer *ring_buffer)
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{
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return (ring_buffer->tx_bd_used == ring_buffer->tx_bd_free);
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}
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/*
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* Is RingBuffer full
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*/
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static bool if_atsam_ring_buffer_full(ring_buffer *ring_buffer)
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{
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size_t tx_bd_used_next = ring_buffer->tx_bd_used;
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if_atsam_tx_bd_pos_update(&tx_bd_used_next, ring_buffer->length);
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return (tx_bd_used_next == ring_buffer->tx_bd_free);
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}
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/*
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* Cleanup transmit file descriptors by freeing mbufs which are not needed any
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@@ -617,17 +601,18 @@ static void if_atsam_tx_bd_cleanup(if_atsam_softc *sc)
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volatile sGmacTxDescriptor *cur;
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bool eof_needed = false;
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while (sc->tx_bd_remove != sc->tx_bd_insert) {
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cur = sc->tx_bd_base + sc->tx_bd_remove;
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if (((cur->status.bm.bUsed == 1) &&
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!eof_needed) || eof_needed) {
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while (!if_atsam_ring_buffer_empty(&sc->tx_ring)){
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cur = sc->tx_bd_base + sc->tx_ring.tx_bd_free;
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if (((cur->status.bm.bUsed == 1) && !eof_needed) || eof_needed) {
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eof_needed = true;
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cur->status.val |= GMAC_TX_SET_USED;
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m = sc->tx_mbuf[sc->tx_bd_remove];
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m = sc->tx_mbuf[sc->tx_ring.tx_bd_free];
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m_free(m);
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if_atsam_tx_bd_pos_update(&sc->tx_bd_remove);
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sc->tx_mbuf[sc->tx_ring.tx_bd_free] = 0;
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if_atsam_tx_bd_pos_update(&sc->tx_ring.tx_bd_free,
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sc->tx_ring.length);
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if (cur->status.bm.bLastBuffer) {
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break;
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eof_needed = false;
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}
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} else {
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break;
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@@ -635,56 +620,49 @@ static void if_atsam_tx_bd_cleanup(if_atsam_softc *sc)
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}
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}
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/*
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* Prepare Ethernet frame to start transmission.
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*/
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static void if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m)
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static bool if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m)
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{
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rtems_event_set events = 0;
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volatile sGmacTxDescriptor *cur;
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volatile sGmacTxDescriptor *start_packet_tx_bd = 0;
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int pos = 0;
|
||||
unsigned insert_next_pos;
|
||||
uint32_t tmp_val = 0;
|
||||
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
|
||||
|
||||
TRACE_DEBUG("TX Send Packet\n");
|
||||
bool success;
|
||||
|
||||
if_atsam_tx_bd_cleanup(sc);
|
||||
/* Wait for interrupt in case no buffer descriptors are available */
|
||||
/* Wait for events */
|
||||
while (true) {
|
||||
insert_next_pos = sc->tx_bd_insert;
|
||||
if_atsam_tx_bd_pos_update(&insert_next_pos);
|
||||
if (sc->tx_bd_remove == insert_next_pos) {
|
||||
if (if_atsam_ring_buffer_full(&sc->tx_ring)) {
|
||||
/* Setup the interrupts for TX completion and errors */
|
||||
GMAC_EnableIt(pHw, GMAC_INT_TX_BITS, 0);
|
||||
rtems_bsdnet_event_receive(ATSAMV7_ETH_EVENT_INTERRUPT,
|
||||
RTEMS_EVENT_ANY | RTEMS_WAIT,
|
||||
RTEMS_NO_TIMEOUT, &events);
|
||||
if_atsam_tx_bd_cleanup(sc);
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* Get current mbuf for data fill
|
||||
*/
|
||||
cur = &sc->tx_bd_base[sc->tx_bd_insert];
|
||||
cur = &sc->tx_bd_base[sc->tx_ring.tx_bd_used];
|
||||
/* Set the transfer data */
|
||||
rtems_cache_flush_multiple_data_lines(mtod(m, const void *),
|
||||
(size_t)m->m_len);
|
||||
if (m->m_len) {
|
||||
cur->addr = (uint32_t)(mtod(m, void *));
|
||||
tmp_val = (uint32_t)m->m_len | GMAC_TX_SET_USED;
|
||||
if (sc->tx_bd_insert == (GMAC_TX_BD_COUNT - 1)) {
|
||||
if (sc->tx_ring.tx_bd_used == (sc->tx_ring.length - 1)) {
|
||||
tmp_val |= GMAC_TX_SET_WRAP;
|
||||
}
|
||||
if (pos == 0) {
|
||||
start_packet_tx_bd = cur;
|
||||
}
|
||||
sc->tx_mbuf[sc->tx_bd_insert] = m;
|
||||
sc->tx_mbuf[sc->tx_ring.tx_bd_used] = m;
|
||||
m = m->m_next;
|
||||
if_atsam_tx_bd_pos_update(&sc->tx_bd_insert);
|
||||
if_atsam_tx_bd_pos_update(&sc->tx_ring.tx_bd_used,
|
||||
sc->tx_ring.length);
|
||||
} else {
|
||||
/* Discard empty mbufs */
|
||||
m = m_free(m);
|
||||
@@ -700,6 +678,9 @@ static void if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m)
|
||||
_ARM_Data_synchronization_barrier();
|
||||
cur->status.val = tmp_val;
|
||||
start_packet_tx_bd->status.val &= ~GMAC_TX_SET_USED;
|
||||
_ARM_Data_synchronization_barrier();
|
||||
GMAC_TransmissionStart(pHw);
|
||||
success = true;
|
||||
break;
|
||||
} else {
|
||||
if (pos > 0) {
|
||||
@@ -709,6 +690,7 @@ static void if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m)
|
||||
cur->status.val = tmp_val;
|
||||
}
|
||||
}
|
||||
return success;
|
||||
}
|
||||
|
||||
|
||||
@@ -717,13 +699,13 @@ static void if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m)
|
||||
*/
|
||||
static void if_atsam_tx_daemon(void *arg)
|
||||
{
|
||||
TRACE_DEBUG(" tx daemon\n\r");
|
||||
if_atsam_softc *sc = (if_atsam_softc *)arg;
|
||||
rtems_event_set events = 0;
|
||||
sGmacTxDescriptor *buffer_desc;
|
||||
int bd_number;
|
||||
void *tx_bd_base;
|
||||
struct mbuf *m;
|
||||
bool success;
|
||||
|
||||
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
|
||||
struct ifnet *ifp = &sc->arpcom.ac_if;
|
||||
@@ -744,16 +726,16 @@ static void if_atsam_tx_daemon(void *arg)
|
||||
|
||||
/* Allocate memory space for buffer descriptor list */
|
||||
tx_bd_base = rtems_cache_coherent_allocate(
|
||||
GMAC_TX_BD_COUNT * sizeof(sGmacTxDescriptor),
|
||||
sc->amount_tx_buf * sizeof(sGmacTxDescriptor),
|
||||
GMAC_DESCRIPTOR_ALIGNMENT, 0);
|
||||
assert(tx_bd_base != NULL);
|
||||
buffer_desc = (sGmacTxDescriptor *)tx_bd_base;
|
||||
|
||||
/* Create descriptor list and mark as empty */
|
||||
for (bd_number = 0; bd_number < GMAC_TX_BD_COUNT; bd_number++) {
|
||||
for (bd_number = 0; bd_number < sc->amount_tx_buf; bd_number++) {
|
||||
buffer_desc->addr = 0;
|
||||
buffer_desc->status.val = GMAC_TX_SET_USED;
|
||||
if (bd_number == (GMAC_TX_BD_COUNT - 1)) {
|
||||
if (bd_number == (sc->amount_tx_buf - 1)) {
|
||||
buffer_desc->status.bm.bWrap = 1;
|
||||
} else {
|
||||
buffer_desc++;
|
||||
@@ -768,17 +750,14 @@ static void if_atsam_tx_daemon(void *arg)
|
||||
GMAC_TransmitEnable(pHw, 1);
|
||||
|
||||
/* Set variables in context */
|
||||
sc->tx_bd_remove = 0;
|
||||
sc->tx_bd_insert = 0;
|
||||
sc->tx_bd_base = tx_bd_base;
|
||||
|
||||
while (true) {
|
||||
TRACE_DEBUG("Wait for TX Transmit Start Event\n");
|
||||
/* Wait for events */
|
||||
rtems_bsdnet_event_receive(ATSAMV7_ETH_START_TRANSMIT_EVENT,
|
||||
rtems_bsdnet_event_receive(ATSAMV7_ETH_START_TRANSMIT_EVENT | ATSAMV7_ETH_TX_EVENT_INTERRUPT,
|
||||
RTEMS_EVENT_ANY | RTEMS_WAIT,
|
||||
RTEMS_NO_TIMEOUT, &events);
|
||||
TRACE_DEBUG("TX Transmit Event received\n");
|
||||
//printf("TX Transmit Event received\n");
|
||||
|
||||
/*
|
||||
* Send packets till queue is empty
|
||||
@@ -787,15 +766,17 @@ static void if_atsam_tx_daemon(void *arg)
|
||||
/*
|
||||
* Get the mbuf chain to transmit
|
||||
*/
|
||||
if_atsam_tx_bd_cleanup(sc);
|
||||
IF_DEQUEUE(&sc->arpcom.ac_if.if_snd, m);
|
||||
if (!m) {
|
||||
ifp->if_flags &= ~IFF_OACTIVE;
|
||||
break;
|
||||
}
|
||||
success = if_atsam_send_packet(sc, m);
|
||||
if (!success){
|
||||
break;
|
||||
}
|
||||
if_atsam_send_packet(sc, m);
|
||||
_ARM_Data_synchronization_barrier();
|
||||
GMAC_TransmissionStart(pHw);
|
||||
}
|
||||
ifp->if_flags &= ~IFF_OACTIVE;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -807,8 +788,6 @@ static void if_atsam_enet_start(struct ifnet *ifp)
|
||||
{
|
||||
if_atsam_softc *sc = (if_atsam_softc *)ifp->if_softc;
|
||||
|
||||
TRACE_DEBUG(" in start\n\r");
|
||||
|
||||
ifp->if_flags |= IFF_OACTIVE;
|
||||
rtems_bsdnet_event_send(sc->tx_daemon_tid,
|
||||
ATSAMV7_ETH_START_TRANSMIT_EVENT);
|
||||
@@ -829,13 +808,10 @@ static void if_atsam_interface_watchdog(struct ifnet *ifp)
|
||||
uint8_t phy = sc->Gmac_inst.phy_address;
|
||||
uint32_t retries = sc->Gmac_inst.retries;
|
||||
|
||||
TRACE_DEBUG("Entered Watchdog\n\r");
|
||||
|
||||
if (if_atsam_read_phy(pHw, phy, MII_ANLPAR, &anlpar, retries)) {
|
||||
anlpar = 0;
|
||||
}
|
||||
if (sc->anlpar != anlpar) {
|
||||
TRACE_DEBUG("Entered Watchdog Loop\n\r");
|
||||
/* Set up the GMAC link speed */
|
||||
if (anlpar & ANLPAR_TX_FD) {
|
||||
/* Set MII for 100BaseTx and Full Duplex */
|
||||
@@ -872,7 +848,6 @@ static void if_atsam_init(void *arg)
|
||||
{
|
||||
rtems_status_code status;
|
||||
|
||||
TRACE_DEBUG(" in setup hardware\n\r");
|
||||
if_atsam_softc *sc = (if_atsam_softc *)arg;
|
||||
struct ifnet *ifp = &sc->arpcom.ac_if;
|
||||
uint32_t dmac_cfg = 0;
|
||||
@@ -902,10 +877,8 @@ static void if_atsam_init(void *arg)
|
||||
GMAC_EnableMdio(sc->Gmac_inst.gGmacd.pHw);
|
||||
|
||||
/* PHY initialize */
|
||||
if (!if_atsam_init_phy(&sc->Gmac_inst, BOARD_MCK, &gmacResetPin, 1,
|
||||
gmacPins, PIO_LISTSIZE(gmacPins))) {
|
||||
TRACE_ERROR("PHY Initialize ERROR!\n\r");
|
||||
}
|
||||
if_atsam_init_phy(&sc->Gmac_inst, BOARD_MCK, &gmacResetPin, 1,
|
||||
gmacPins, PIO_LISTSIZE(gmacPins));
|
||||
/* Find valid Phy */
|
||||
atsamv7_find_valid_phy(&sc->Gmac_inst);
|
||||
|
||||
@@ -933,9 +906,9 @@ static void if_atsam_init(void *arg)
|
||||
/*
|
||||
* Allocate mbuf pointers
|
||||
*/
|
||||
sc->rx_mbuf = malloc(GMAC_RX_BD_COUNT * sizeof *sc->rx_mbuf,
|
||||
sc->rx_mbuf = malloc(sc->amount_rx_buf * sizeof *sc->rx_mbuf,
|
||||
M_MBUF, M_NOWAIT);
|
||||
sc->tx_mbuf = malloc(GMAC_TX_BD_COUNT * sizeof *sc->rx_mbuf,
|
||||
sc->tx_mbuf = malloc(sc->amount_tx_buf * sizeof *sc->tx_mbuf,
|
||||
M_MBUF, M_NOWAIT);
|
||||
|
||||
/* Install interrupt handler */
|
||||
@@ -967,8 +940,6 @@ static void if_atsam_stop(struct if_atsam_softc *sc)
|
||||
struct ifnet *ifp = &sc->arpcom.ac_if;
|
||||
Gmac *pHw = sc->Gmac_inst.gGmacd.pHw;
|
||||
|
||||
TRACE_DEBUG(" in stop\n\r");
|
||||
|
||||
ifp->if_flags &= ~IFF_RUNNING;
|
||||
|
||||
/* Disable MDIO interface and TX/RX */
|
||||
@@ -986,8 +957,6 @@ static void if_atsam_stats(struct if_atsam_softc *sc)
|
||||
int media = 0;
|
||||
Gmac *pHw;
|
||||
|
||||
TRACE_DEBUG(" in stats\n\r");
|
||||
|
||||
media = (int)IFM_MAKEWORD(0, 0, 0, sc->Gmac_inst.phy_address);
|
||||
eno = rtems_mii_ioctl(&sc->mdio, sc, SIOCGIFMEDIA, &media);
|
||||
|
||||
@@ -1001,7 +970,12 @@ static void if_atsam_stats(struct if_atsam_softc *sc)
|
||||
|
||||
printf("\n** Context Statistics **\n");
|
||||
printf("Rx interrupts: %u\n", sc->rx_interrupts);
|
||||
printf("Tx interrupts: %u\n\n", sc->tx_interrupts);
|
||||
printf("Tx interrupts: %u\n", sc->tx_interrupts);
|
||||
printf("Error Tur Tx interrupts: %u\n\n", sc->tx_tur_errors);
|
||||
printf("Error Rlex Tx interrupts: %u\n\n", sc->tx_rlex_errors);
|
||||
printf("Error Tfc Tx interrupts: %u\n\n", sc->tx_tfc_errors);
|
||||
printf("Error Hresp Tx interrupts: %u\n\n", sc->tx_hresp_errors);
|
||||
printf("Tx complete interrupts: %u\n\n", sc->tx_complete_int);
|
||||
printf("\n** Statistics **\n");
|
||||
printf("Octets Transmitted Low: %lu\n", pHw->GMAC_OTLO);
|
||||
printf("Octets Transmitted High: %lu\n", pHw->GMAC_OTHI);
|
||||
@@ -1164,17 +1138,13 @@ if_atsam_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data)
|
||||
int rv = 0;
|
||||
bool prom_enable;
|
||||
|
||||
TRACE_DEBUG(" in ioctl\n\r");
|
||||
|
||||
switch (command) {
|
||||
case SIOCGIFMEDIA:
|
||||
case SIOCSIFMEDIA:
|
||||
TRACE_DEBUG("MEDIA\n");
|
||||
rtems_mii_ioctl(&sc->mdio, sc, command, &ifr->ifr_media);
|
||||
break;
|
||||
case SIOCGIFADDR:
|
||||
case SIOCSIFADDR:
|
||||
TRACE_DEBUG("Address\n");
|
||||
ether_ioctl(ifp, command, data);
|
||||
break;
|
||||
case SIOCSIFFLAGS:
|
||||
@@ -1196,7 +1166,6 @@ if_atsam_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data)
|
||||
case SIOCDELMULTI:
|
||||
if_atsam_multicast_control(command == SIOCADDMULTI, ifr, sc);
|
||||
case SIO_RTEMS_SHOW_STATS:
|
||||
TRACE_DEBUG("SHOW STATS\n");
|
||||
if_atsam_stats(sc);
|
||||
break;
|
||||
default:
|
||||
@@ -1243,6 +1212,13 @@ static int if_atsam_driver_attach(struct rtems_bsdnet_ifconfig *config)
|
||||
sc->mdio.mdio_w = if_atsam_mdio_write;
|
||||
sc->mdio.has_gmii = 1;
|
||||
|
||||
sc->amount_rx_buf = config->rbuf_count;
|
||||
sc->amount_tx_buf = config->xbuf_count;
|
||||
|
||||
sc->tx_ring.tx_bd_used = 0;
|
||||
sc->tx_ring.tx_bd_free = 0;
|
||||
sc->tx_ring.length = sc->amount_tx_buf;
|
||||
|
||||
/*
|
||||
* Set up network interface values
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user