Problem: ifstat reports RX=RXE, packets are on wire, but not processed by ipxe. DHCP Offer not accepted. Debugging shows wrong rx packet length used.
Datasheet LAN83C171 pp. 41-42 defines 'rx packet length' as upper word of 'status' dword field of the receive descriptor table. Linux kernel driver use this field and works. LAN83C171: http://www.smsc.com/media/Downloads_Archive/discontinued/83c171.pdf Tested on SMC EtherPower II. Signed-off-by: Alexey Smazhenko <[email protected]> --- diff --git a/src/drivers/net/epic100.c b/src/drivers/net/epic100.c index b478fab..884eb72 100644 --- a/src/drivers/net/epic100.c +++ b/src/drivers/net/epic100.c @@ -376,7 +376,7 @@ epic100_poll(struct nic *nic, int retrieve) { int entry; int retcode; - int status; + unsigned long status; entry = cur_rx % RX_RING_SIZE; if ((rx_ring[entry].status & cpu_to_le32(RRING_OWN)) == RRING_OWN) @@ -401,7 +401,7 @@ epic100_poll(struct nic *nic, int retrieve) retcode = 0; } else { /* Omit the four octet CRC from the length. */ - nic->packetlen = le32_to_cpu((rx_ring[entry].buflength))- 4; + nic->packetlen = (status >> 16) - 4; memcpy(nic->packet, &rx_packet[entry * PKT_BUF_SZ], nic->packetlen); retcode = 1; } _______________________________________________ ipxe-devel mailing list [email protected] https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
