Author: sbruno
Date: Wed Mar 15 14:44:59 2017
New Revision: 315306
URL: https://svnweb.freebsd.org/changeset/base/315306
Log:
Actually set the MTU to the requested value and fixup handling of jumbo
frames.
Submitted by: Matt Macy <mm...@nextbsd.org>
Reported by: pho
Sponsored by: Limelight Networks
Modified:
head/sys/dev/e1000/if_em.c
Modified: head/sys/dev/e1000/if_em.c
==============================================================================
--- head/sys/dev/e1000/if_em.c Wed Mar 15 13:36:35 2017 (r315305)
+++ head/sys/dev/e1000/if_em.c Wed Mar 15 14:44:59 2017 (r315306)
@@ -1116,7 +1116,6 @@ 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)");
@@ -1154,7 +1153,7 @@ em_if_mtu_set(if_ctx_t ctx, uint32_t mtu
}
scctx->isc_max_frame_size = adapter->hw.mac.max_frame_size =
- if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
return (0);
}
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