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Index: head/sys/dev/sfxge/common/efx.h
===================================================================
--- head/sys/dev/sfxge/common/efx.h
+++ head/sys/dev/sfxge/common/efx.h
@@ -1159,6 +1159,7 @@
boolean_t enc_datapath_cap_evb;
boolean_t enc_rx_disable_scatter_supported;
boolean_t enc_allow_set_mac_with_installed_filters;
+ boolean_t enc_enhanced_set_mac_supported;
/* External port identifier */
uint8_t enc_external_port;
uint32_t enc_mcdi_max_payload_length;
Index: head/sys/dev/sfxge/common/efx_impl.h
===================================================================
--- head/sys/dev/sfxge/common/efx_impl.h
+++ head/sys/dev/sfxge/common/efx_impl.h
@@ -194,6 +194,7 @@
efx_rc_t (*emo_poll)(efx_nic_t *, efx_link_mode_t *);
efx_rc_t (*emo_up)(efx_nic_t *, boolean_t *);
efx_rc_t (*emo_addr_set)(efx_nic_t *);
+ efx_rc_t (*emo_pdu_set)(efx_nic_t *);
efx_rc_t (*emo_reconfigure)(efx_nic_t *);
efx_rc_t (*emo_multicast_list_set)(efx_nic_t *);
efx_rc_t (*emo_filter_default_rxq_set)(efx_nic_t *,
Index: head/sys/dev/sfxge/common/efx_mac.c
===================================================================
--- head/sys/dev/sfxge/common/efx_mac.c
+++ head/sys/dev/sfxge/common/efx_mac.c
@@ -56,6 +56,7 @@
falcon_mac_poll, /* emo_poll */
falcon_mac_up, /* emo_up */
falcon_gmac_reconfigure, /* emo_addr_set */
+ falcon_gmac_reconfigure, /* emo_pdu_set */
falcon_gmac_reconfigure, /* emo_reconfigure */
falconsiena_mac_multicast_list_set, /* emo_multicast_list_set */
NULL, /* emo_filter_set_default_rxq */
@@ -77,6 +78,7 @@
falcon_mac_poll, /* emo_poll */
falcon_mac_up, /* emo_up */
falcon_xmac_reconfigure, /* emo_addr_set */
+ falcon_xmac_reconfigure, /* emo_pdu_set */
falcon_xmac_reconfigure, /* emo_reconfigure */
falconsiena_mac_multicast_list_set, /* emo_multicast_list_set */
NULL, /* emo_filter_set_default_rxq */
@@ -98,6 +100,7 @@
siena_mac_poll, /* emo_poll */
siena_mac_up, /* emo_up */
siena_mac_reconfigure, /* emo_addr_set */
+ siena_mac_reconfigure, /* emo_pdu_set */
siena_mac_reconfigure, /* emo_reconfigure */
falconsiena_mac_multicast_list_set, /* emo_multicast_list_set */
NULL, /* emo_filter_set_default_rxq */
@@ -119,6 +122,7 @@
ef10_mac_poll, /* emo_poll */
ef10_mac_up, /* emo_up */
ef10_mac_addr_set, /* emo_addr_set */
+ ef10_mac_pdu_set, /* emo_pdu_set */
ef10_mac_reconfigure, /* emo_reconfigure */
ef10_mac_multicast_list_set, /* emo_multicast_list_set */
ef10_mac_filter_default_rxq_set, /* emo_filter_default_rxq_set */
@@ -196,7 +200,7 @@
old_pdu = epp->ep_mac_pdu;
epp->ep_mac_pdu = (uint32_t)pdu;
- if ((rc = emop->emo_reconfigure(enp)) != 0)
+ if ((rc = emop->emo_pdu_set(enp)) != 0)
goto fail3;
return (0);
Index: head/sys/dev/sfxge/common/hunt_impl.h
===================================================================
--- head/sys/dev/sfxge/common/hunt_impl.h
+++ head/sys/dev/sfxge/common/hunt_impl.h
@@ -234,6 +234,10 @@
__in efx_nic_t *enp);
extern __checkReturn efx_rc_t
+ef10_mac_pdu_set(
+ __in efx_nic_t *enp);
+
+extern __checkReturn efx_rc_t
ef10_mac_reconfigure(
__in efx_nic_t *enp);
Index: head/sys/dev/sfxge/common/hunt_mac.c
===================================================================
--- head/sys/dev/sfxge/common/hunt_mac.c
+++ head/sys/dev/sfxge/common/hunt_mac.c
@@ -162,6 +162,74 @@
return (rc);
}
+static __checkReturn efx_rc_t
+efx_mcdi_mtu_set(
+ __in efx_nic_t *enp,
+ __in uint32_t mtu)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_SET_MAC_EXT_IN_LEN,
+ MC_CMD_SET_MAC_OUT_LEN)];
+ efx_rc_t rc;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_SET_MAC;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
+
+ /* Only configure the MTU in this call to MC_CMD_SET_MAC */
+ MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_MTU, mtu);
+ MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_EXT_IN_CONTROL,
+ SET_MAC_EXT_IN_CFG_MTU, 1);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+ef10_mac_pdu_set(
+ __in efx_nic_t *enp)
+{
+ efx_port_t *epp = &(enp->en_port);
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ efx_rc_t rc;
+
+ if (encp->enc_enhanced_set_mac_supported) {
+ if ((rc = efx_mcdi_mtu_set(enp, epp->ep_mac_pdu)) != 0)
+ goto fail1;
+ } else {
+ /*
+ * Fallback for older Huntington firmware, which always
+ * configure all of the parameters to MC_CMD_SET_MAC. This isn't
+ * suitable for setting the MTU on unpriviliged functions.
+ */
+ if ((rc = ef10_mac_reconfigure(enp)) != 0)
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
__checkReturn efx_rc_t
ef10_mac_reconfigure(
__in efx_nic_t *enp)
Index: head/sys/dev/sfxge/common/hunt_nic.c
===================================================================
--- head/sys/dev/sfxge/common/hunt_nic.c
+++ head/sys/dev/sfxge/common/hunt_nic.c
@@ -951,6 +951,13 @@
CAP_FLAG(flags, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED) ?
B_TRUE : B_FALSE;
+ /*
+ * Check if firmware supports the extended MC_CMD_SET_MAC, which allows
+ * specifying which parameters to configure.
+ */
+ encp->enc_enhanced_set_mac_supported =
+ CAP_FLAG(flags, SET_MAC_ENHANCED) ? B_TRUE : B_FALSE;
+
#undef CAP_FLAG
#undef CAP_FLAG2

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