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net: Always align tx packets

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Make sure that TX packets are always cache-aligned.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Mario Six
2018-03-28 14:38:49 +02:00
committed by Joe Hershberger
parent acaee30608
commit 2d8f25ed7b
2 changed files with 4 additions and 2 deletions
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3
net/arp.c
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@@ -182,7 +182,8 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
(net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr)) (net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr))
udelay(5000); udelay(5000);
#endif #endif
net_send_packet((uchar *)et, eth_hdr_size + ARP_HDR_SIZE); memcpy(net_tx_packet, et, eth_hdr_size + ARP_HDR_SIZE);
net_send_packet(net_tx_packet, eth_hdr_size + ARP_HDR_SIZE);
return; return;
case ARPOP_REPLY: /* arp reply */ case ARPOP_REPLY: /* arp reply */

3
net/ping.c
View File

@@ -107,7 +107,8 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
icmph->type = ICMP_ECHO_REPLY; icmph->type = ICMP_ECHO_REPLY;
icmph->checksum = 0; icmph->checksum = 0;
icmph->checksum = compute_ip_checksum(icmph, len - IP_HDR_SIZE); icmph->checksum = compute_ip_checksum(icmph, len - IP_HDR_SIZE);
net_send_packet((uchar *)et, eth_hdr_size + len); memcpy(net_tx_packet, et, eth_hdr_size + len);
net_send_packet(net_tx_packet, eth_hdr_size + len);
return; return;
/* default: /* default:
return;*/ return;*/