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sim: multi netdevice forward issue when ll_guardsize not 14

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Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu 2023-03-23 11:58:00 +08:00 committed by Petro Karashchenko
parent 37644c8818
commit 50488ac8f3
1 changed files with 2 additions and 3 deletions
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5
arch/sim/src/sim/sim_netdriver.c
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@ -77,7 +77,7 @@
* when netpkt's buffer is long enough.
*/
#if NETPKT_BUFLEN >= SIM_NETDEV_BUFSIZE
#if NETPKT_BUFLEN - CONFIG_NET_LL_GUARDSIZE >= SIM_NETDEV_BUFSIZE - ETH_HDRLEN
# define SIM_NETDEV_RECV_OFFLOAD
#endif
@ -160,7 +160,7 @@ static netpkt_t *netdriver_recv(struct netdev_lowerhalf_s *dev)
*/
#ifdef SIM_NETDEV_RECV_OFFLOAD
len = sim_netdev_read(DEVIDX(dev), netpkt_getbase(pkt),
len = sim_netdev_read(DEVIDX(dev), netpkt_getdata(dev, pkt),
SIM_NETDEV_BUFSIZE);
#else
len = sim_netdev_read(DEVIDX(dev), DEVBUF(dev), SIM_NETDEV_BUFSIZE);
@ -172,7 +172,6 @@ static netpkt_t *netdriver_recv(struct netdev_lowerhalf_s *dev)
}
#ifdef SIM_NETDEV_RECV_OFFLOAD
netpkt_reset_reserved(dev, pkt, 0); /* No overhead before data. */
netpkt_setdatalen(dev, pkt, len);
#else
netpkt_copyin(dev, pkt, DEVBUF(dev), len, 0);