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-rw-r--r--usr/src/cmd/bhyve/pci_e82545.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/usr/src/cmd/bhyve/pci_e82545.c b/usr/src/cmd/bhyve/pci_e82545.c
index 25cf0a48e7..f4eaa0c93b 100644
--- a/usr/src/cmd/bhyve/pci_e82545.c
+++ b/usr/src/cmd/bhyve/pci_e82545.c
@@ -1279,9 +1279,7 @@ e82545_transmit(struct e82545_softc *sc, uint16_t head, uint16_t tail,
goto done;
}
if (sc->esc_txctx.cmd_and_length & E1000_TXD_CMD_TCP) {
- if (hdrlen < ckinfo[1].ck_start + 14 ||
- (ckinfo[1].ck_valid &&
- hdrlen < ckinfo[1].ck_off + 2)) {
+ if (hdrlen < ckinfo[1].ck_start + 14) {
WPRINTF("TSO hdrlen too small for TCP fields "
"(%d) -- dropped", hdrlen);
goto done;
@@ -1293,6 +1291,11 @@ e82545_transmit(struct e82545_softc *sc, uint16_t head, uint16_t tail,
goto done;
}
}
+ if (ckinfo[1].ck_valid && hdrlen < ckinfo[1].ck_off + 2) {
+ WPRINTF("TSO hdrlen too small for TCP/UDP fields "
+ "(%d) -- dropped", hdrlen);
+ goto done;
+ }
}
/* Allocate, fill and prepend writable header vector. */