Author: sbruno
Date: Fri Feb 17 21:30:16 2017
New Revision: 313900
URL: https://svnweb.freebsd.org/changeset/base/313900
Log:
Push max_frame_len back into iflib so that jumbo frame sizes work.
Reported by: pho
Modified:
head/sys/dev/e1000/if_em.c
Modified: head/sys/dev/e1000/if_em.c
==============================================================================
--- head/sys/dev/e1000/if_em.c Fri Feb 17 21:25:24 2017 (r313899)
+++ head/sys/dev/e1000/if_em.c Fri Feb 17 21:30:16 2017 (r313900)
@@ -920,7 +920,7 @@ em_if_attach_pre(if_ctx_t ctx)
* Set the frame limits assuming
* standard ethernet sized frames.
*/
- adapter->hw.mac.max_frame_size =
+ scctx->isc_max_frame_size = adapter->hw.mac.max_frame_size =
ETHERMTU + ETHER_HDR_LEN + ETHERNET_FCS_SIZE;
/*
@@ -1117,6 +1117,7 @@ em_if_mtu_set(if_ctx_t ctx, uint32_t mtu
int max_frame_size;
struct adapter *adapter = iflib_get_softc(ctx);
struct ifnet *ifp = iflib_get_ifp(ctx);
+ if_softc_ctx_t scctx = iflib_get_softc_ctx(ctx);
IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)");
@@ -1147,7 +1148,8 @@ em_if_mtu_set(if_ctx_t ctx, uint32_t mtu
return (EINVAL);
}
- adapter->hw.mac.max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN +
ETHER_CRC_LEN;
+ scctx->isc_max_frame_size = adapter->hw.mac.max_frame_size =
+ if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
return (0);
}
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