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MAC now works with checksum offload 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11412 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
edolomb 2018-01-30 15:34:43 +00:00
parent ed3b2c44f5
commit 58271f2049
2 changed files with 6 additions and 17 deletions
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21
os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c
View File

@ -358,7 +358,7 @@ void mac_lld_start(MACDriver *macp) {
macp->rxptr = (sama_eth_rx_descriptor_t *)__eth_rd;
for (i = 0; i < SAMA_MAC_TRANSMIT_BUFFERS; i++)
__eth_td[i].tdes1 |= SAMA_TDES1_LAST_BUFF | SAMA_TDES1_USED;
__eth_td[i].tdes1 |= SAMA_TDES1_LAST_BUFF | SAMA_TDES1_USED | (SAMA_TDES1_LENGTH_BUFF & BUFFER_SIZE);
macp->txptr = (sama_eth_tx_descriptor_t *)__eth_td;
@ -387,14 +387,12 @@ void mac_lld_start(MACDriver *macp) {
uint32_t ncfgr = GMAC0->GMAC_NCFGR;
#if SAMA_MAC_IP_CHECKSUM_OFFLOAD
GMAC0->GMAC_NCFGR = GMAC_NCFGR_RXCOEN | GMAC_NCFGR_SPD |
GMAC_NCFGR_FD | GMAC_NCFGR_MAXFS |
GMAC_NCFGR_RFCS | ncfgr;
GMAC0->GMAC_NCFGR = GMAC_NCFGR_SPD | GMAC_NCFGR_FD | GMAC_NCFGR_RXCOEN |
GMAC_NCFGR_MAXFS | GMAC_NCFGR_RFCS | ncfgr;
GMAC0->GMAC_DCFGR |= GMAC_DCFGR_TXCOEN;
#else
GMAC0->GMAC_NCFGR = GMAC_NCFGR_SPD | GMAC_NCFGR_FD |
GMAC_NCFGR_MAXFS | GMAC_NCFGR_RFCS |
ncfgr;
GMAC_NCFGR_MAXFS | GMAC_NCFGR_RFCS| ncfgr;
#endif
/* DMA configuration:
@ -428,8 +426,6 @@ void mac_lld_start(MACDriver *macp) {
/* Enable RX and TX.*/
GMAC0->GMAC_NCR |= GMAC_NCR_RXEN | GMAC_NCR_TXEN;
/* Starts transmission */
// GMAC0->GMAC_NCR |= GMAC_NCR_TSTART;
}
/**
@ -574,11 +570,7 @@ msg_t mac_lld_get_receive_descriptor(MACDriver *macp,
/* Iterates through received frames until a valid one is found, invalid
frames are discarded.*/
while (rdes->rdes0 & SAMA_RDES0_OWN) {
if (rdes->rdes1 & (SAMA_RDES1_EOF | SAMA_RDES1_SOF)
#if SAMA_MAC_IP_CHECKSUM_OFFLOAD
&& (rdes->rdes1 & (SAMA_RDES1_CHECKSUM_IP_TCP | SAMA_RDES1_CHECKSUM_IP_UDP))
#endif
) {
if (rdes->rdes1 & (SAMA_RDES1_EOF | SAMA_RDES1_SOF)) {
/* Found a valid one.*/
rdp->offset = 0;
/* Only with RFCS set */
@ -728,9 +720,6 @@ size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,
if (size > tdp->size - tdp->offset)
size = tdp->size - tdp->offset;
/* Configure lentgh of buffer */
tdp->physdesc->tdes1 |= (SAMA_TDES1_LENGTH_BUFF & size);
if (size > 0) {
memcpy((uint8_t *)(tdp->physdesc->tdes0) + tdp->offset, buf, size);
tdp->offset += size;

2
os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.h
View File

@ -153,7 +153,7 @@
* @brief IP checksum offload.
* @details The following modes are available:
* - 0 Function disabled.
* - 1 Only IP header checksum calculation and insertion are enabled.
* - 1 IP/TCP/UDP header checksum calculation and insertion are enabled.
*/
#if !defined(SAMA_MAC_IP_CHECKSUM_OFFLOAD) || defined(__DOXYGEN__)
#define SAMA_MAC_IP_CHECKSUM_OFFLOAD 1