Add support for MTU chaning and Jumbo frames to VNIC
Enable previously added code for MTU handling (based on Cavium 1.0 driver released on BSD license). This commit enables possibility to change MTU on VNIC driver. Obtained from: Semihalf Sponsored by: Cavium
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0ef477ea8c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=299447
@ -138,6 +138,7 @@ static int nicvf_allocate_misc_interrupt(struct nicvf *);
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static int nicvf_enable_misc_interrupt(struct nicvf *);
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static int nicvf_allocate_net_interrupts(struct nicvf *);
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static void nicvf_release_all_interrupts(struct nicvf *);
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static int nicvf_update_hw_max_frs(struct nicvf *, int);
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static int nicvf_hw_set_mac_addr(struct nicvf *, uint8_t *);
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static void nicvf_config_cpi(struct nicvf *);
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static int nicvf_rss_init(struct nicvf *);
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@ -362,7 +363,7 @@ nicvf_setup_ifnet(struct nicvf *nic)
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if_setcapabilities(ifp, 0);
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/* Set the default values */
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if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0);
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if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU | IFCAP_JUMBO_MTU, 0);
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if_setcapabilitiesbit(ifp, IFCAP_LRO, 0);
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if (nic->hw_tso) {
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/* TSO */
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@ -465,11 +466,16 @@ nicvf_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
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err = ether_ioctl(ifp, cmd, data);
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break;
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case SIOCSIFMTU:
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/*
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* ARM64TODO: Needs to be implemented.
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* Currently ETHERMTU is set by default.
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*/
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err = ether_ioctl(ifp, cmd, data);
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if (ifr->ifr_mtu < NIC_HW_MIN_FRS ||
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ifr->ifr_mtu > NIC_HW_MAX_FRS) {
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err = EINVAL;
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} else {
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NICVF_CORE_LOCK(nic);
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err = nicvf_update_hw_max_frs(nic, ifr->ifr_mtu);
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if (err == 0)
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if_setmtu(ifp, ifr->ifr_mtu);
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NICVF_CORE_UNLOCK(nic);
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}
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break;
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case SIOCSIFFLAGS:
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NICVF_CORE_LOCK(nic);
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@ -973,6 +979,18 @@ nicvf_handle_mbx_intr(struct nicvf *nic)
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nicvf_clear_intr(nic, NICVF_INTR_MBOX, 0);
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}
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static int
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nicvf_update_hw_max_frs(struct nicvf *nic, int mtu)
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{
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union nic_mbx mbx = {};
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mbx.frs.msg = NIC_MBOX_MSG_SET_MAX_FRS;
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mbx.frs.max_frs = mtu;
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mbx.frs.vf_id = nic->vf_id;
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return nicvf_send_msg_to_pf(nic, &mbx);
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}
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static int
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nicvf_hw_set_mac_addr(struct nicvf *nic, uint8_t *hwaddr)
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{
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