Module Name: src
Committed By: ryo
Date: Thu Apr 15 09:05:24 UTC 2021
Modified Files:
src/sys/dev/pci: if_aq.c
Log Message:
mtu for revision B0 and B1 is supported up to 16338 bytes
To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.23 src/sys/dev/pci/if_aq.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/if_aq.c
diff -u src/sys/dev/pci/if_aq.c:1.22 src/sys/dev/pci/if_aq.c:1.23
--- src/sys/dev/pci/if_aq.c:1.22 Thu Apr 15 09:04:42 2021
+++ src/sys/dev/pci/if_aq.c Thu Apr 15 09:05:24 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: if_aq.c,v 1.22 2021/04/15 09:04:42 ryo Exp $ */
+/* $NetBSD: if_aq.c,v 1.23 2021/04/15 09:05:24 ryo Exp $ */
/**
* aQuantia Corporation Network Driver
@@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.22 2021/04/15 09:04:42 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.23 2021/04/15 09:05:24 ryo Exp $");
#ifdef _KERNEL_OPT
#include "opt_if_aq.h"
@@ -116,6 +116,9 @@ __KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.
#define AQ_RSS_HASHKEY_SIZE 40
#define AQ_RSS_INDIRECTION_TABLE_MAX 64
+#define AQ_JUMBO_MTU_REV_A 9000
+#define AQ_JUMBO_MTU_REV_B 16338
+
/*
* TERMINOLOGY
* MPI = MAC PHY INTERFACE?
@@ -996,6 +999,7 @@ struct aq_softc {
#define FEATURES_REV_B0 0x20000000
#define FEATURES_REV_B1 0x40000000
#define FEATURES_REV_B (FEATURES_REV_B0|FEATURES_REV_B1)
+ uint32_t sc_max_mtu;
uint32_t sc_mbox_addr;
bool sc_rbl_enabled;
@@ -2118,6 +2122,7 @@ aq_fw_version_init(struct aq_softc *sc)
fw_vers);
sc->sc_features |= FEATURES_REV_A0 |
FEATURES_MPI_AQ | FEATURES_MIPS;
+ sc->sc_max_mtu = AQ_JUMBO_MTU_REV_A;
break;
case 0x02:
aprint_normal_dev(sc->sc_dev, "Atlantic revision B0, %s\n",
@@ -2125,6 +2130,7 @@ aq_fw_version_init(struct aq_softc *sc)
sc->sc_features |= FEATURES_REV_B0 |
FEATURES_MPI_AQ | FEATURES_MIPS |
FEATURES_TPO2 | FEATURES_RPF2;
+ sc->sc_max_mtu = AQ_JUMBO_MTU_REV_B;
break;
case 0x0A:
aprint_normal_dev(sc->sc_dev, "Atlantic revision B1, %s\n",
@@ -2132,10 +2138,13 @@ aq_fw_version_init(struct aq_softc *sc)
sc->sc_features |= FEATURES_REV_B1 |
FEATURES_MPI_AQ | FEATURES_MIPS |
FEATURES_TPO2 | FEATURES_RPF2;
+ sc->sc_max_mtu = AQ_JUMBO_MTU_REV_B;
break;
default:
aprint_error_dev(sc->sc_dev,
"Unknown revision (0x%08x)\n", hwrev);
+ sc->sc_features = 0;
+ sc->sc_max_mtu = ETHERMTU;
error = ENOTSUP;
break;
}
@@ -4740,7 +4749,19 @@ aq_ioctl(struct ifnet *ifp, unsigned lon
error = 0;
s = splnet();
- error = ether_ioctl(ifp, cmd, data);
+ switch (cmd) {
+ case SIOCSIFMTU:
+ if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > sc->sc_max_mtu) {
+ error = EINVAL;
+ } else {
+ ifp->if_mtu = ifr->ifr_mtu;
+ error = 0; /* no need to reset (no ENETRESET) */
+ }
+ break;
+ default:
+ error = ether_ioctl(ifp, cmd, data);
+ break;
+ }
splx(s);
if (error != ENETRESET)
