]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blobdiff - drivers/net/e1000/e1000_main.c
[TCP]: Introduce tcp_hdrlen() and tcp_optlen()
[mirror_ubuntu-jammy-kernel.git] / drivers / net / e1000 / e1000_main.c
index d408949d61ddc3233abf441195a6adc9f5e25aa4..4572fbba50f9d45531befcd5f67890d8ed9e208c 100644 (file)
@@ -36,7 +36,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
 #else
 #define DRIVERNAPI "-NAPI"
 #endif
-#define DRV_VERSION "7.3.15-k2"DRIVERNAPI
+#define DRV_VERSION "7.3.20-k2"DRIVERNAPI
 char e1000_driver_version[] = DRV_VERSION;
 static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -376,7 +376,7 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter)
        uint16_t vid = adapter->hw.mng_cookie.vlan_id;
        uint16_t old_vid = adapter->mng_vlan_id;
        if (adapter->vlgrp) {
-               if (!adapter->vlgrp->vlan_devices[vid]) {
+               if (!vlan_group_get_device(adapter->vlgrp, vid)) {
                        if (adapter->hw.mng_cookie.status &
                                E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
                                e1000_vlan_rx_add_vid(netdev, vid);
@@ -386,7 +386,7 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter)
 
                        if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
                                        (vid != old_vid) &&
-                                       !adapter->vlgrp->vlan_devices[old_vid])
+                           !vlan_group_get_device(adapter->vlgrp, old_vid))
                                e1000_vlan_rx_kill_vid(netdev, old_vid);
                } else
                        adapter->mng_vlan_id = vid;
@@ -990,16 +990,12 @@ e1000_probe(struct pci_dev *pdev,
                        netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
        }
 
-#ifdef NETIF_F_TSO
        if ((adapter->hw.mac_type >= e1000_82544) &&
           (adapter->hw.mac_type != e1000_82547))
                netdev->features |= NETIF_F_TSO;
 
-#ifdef NETIF_F_TSO6
        if (adapter->hw.mac_type > e1000_82547_rev_2)
                netdev->features |= NETIF_F_TSO6;
-#endif
-#endif
        if (pci_using_dac)
                netdev->features |= NETIF_F_HIGHDMA;
 
@@ -1486,7 +1482,7 @@ e1000_close(struct net_device *netdev)
        if ((adapter->hw.mng_cookie.status &
                          E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
             !(adapter->vlgrp &&
-                         adapter->vlgrp->vlan_devices[adapter->mng_vlan_id])) {
+              vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
                e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
        }
 
@@ -2583,15 +2579,22 @@ e1000_watchdog(unsigned long data)
 
        if (link) {
                if (!netif_carrier_ok(netdev)) {
+                       uint32_t ctrl;
                        boolean_t txb2b = 1;
                        e1000_get_speed_and_duplex(&adapter->hw,
                                                   &adapter->link_speed,
                                                   &adapter->link_duplex);
 
-                       DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
-                              adapter->link_speed,
-                              adapter->link_duplex == FULL_DUPLEX ?
-                              "Full Duplex" : "Half Duplex");
+                       ctrl = E1000_READ_REG(&adapter->hw, CTRL);
+                       DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
+                               "Flow Control: %s\n",
+                               adapter->link_speed,
+                               adapter->link_duplex == FULL_DUPLEX ?
+                               "Full Duplex" : "Half Duplex",
+                               ((ctrl & E1000_CTRL_TFCE) && (ctrl &
+                               E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
+                               E1000_CTRL_RFCE) ? "RX" : ((ctrl &
+                               E1000_CTRL_TFCE) ? "TX" : "None" )));
 
                        /* tweak tx_queue_len according to speed/duplex
                         * and adjust the timeout factor */
@@ -2619,7 +2622,6 @@ e1000_watchdog(unsigned long data)
                                E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
                        }
 
-#ifdef NETIF_F_TSO
                        /* disable TSO for pcie and 10/100 speeds, to avoid
                         * some hardware issues */
                        if (!adapter->tso_force &&
@@ -2630,22 +2632,17 @@ e1000_watchdog(unsigned long data)
                                        DPRINTK(PROBE,INFO,
                                        "10/100 speed: disabling TSO\n");
                                        netdev->features &= ~NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
                                        netdev->features &= ~NETIF_F_TSO6;
-#endif
                                        break;
                                case SPEED_1000:
                                        netdev->features |= NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
                                        netdev->features |= NETIF_F_TSO6;
-#endif
                                        break;
                                default:
                                        /* oops */
                                        break;
                                }
                        }
-#endif
 
                        /* enable transmits in the hardware, need to do this
                         * after setting TARC0 */
@@ -2875,7 +2872,6 @@ static int
 e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
           struct sk_buff *skb)
 {
-#ifdef NETIF_F_TSO
        struct e1000_context_desc *context_desc;
        struct e1000_buffer *buffer_info;
        unsigned int i;
@@ -2891,34 +2887,28 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                                return err;
                }
 
-               hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
+               hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                mss = skb_shinfo(skb)->gso_size;
                if (skb->protocol == htons(ETH_P_IP)) {
-                       skb->nh.iph->tot_len = 0;
-                       skb->nh.iph->check = 0;
-                       skb->h.th->check =
-                               ~csum_tcpudp_magic(skb->nh.iph->saddr,
-                                                  skb->nh.iph->daddr,
-                                                  0,
-                                                  IPPROTO_TCP,
-                                                  0);
+                       struct iphdr *iph = ip_hdr(skb);
+                       iph->tot_len = 0;
+                       iph->check = 0;
+                       skb->h.th->check = ~csum_tcpudp_magic(iph->saddr,
+                                                             iph->daddr, 0,
+                                                             IPPROTO_TCP, 0);
                        cmd_length = E1000_TXD_CMD_IP;
-                       ipcse = skb->h.raw - skb->data - 1;
-#ifdef NETIF_F_TSO6
+                       ipcse = skb_transport_offset(skb) - 1;
                } else if (skb->protocol == htons(ETH_P_IPV6)) {
-                       skb->nh.ipv6h->payload_len = 0;
+                       ipv6_hdr(skb)->payload_len = 0;
                        skb->h.th->check =
-                               ~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-                                                &skb->nh.ipv6h->daddr,
-                                                0,
-                                                IPPROTO_TCP,
-                                                0);
+                               ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+                                                &ipv6_hdr(skb)->daddr,
+                                                0, IPPROTO_TCP, 0);
                        ipcse = 0;
-#endif
                }
-               ipcss = skb->nh.raw - skb->data;
-               ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
-               tucss = skb->h.raw - skb->data;
+               ipcss = skb_network_offset(skb);
+               ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
+               tucss = skb_transport_offset(skb);
                tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
                tucse = 0;
 
@@ -2947,8 +2937,6 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
 
                return TRUE;
        }
-#endif
-
        return FALSE;
 }
 
@@ -2962,14 +2950,15 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
        uint8_t css;
 
        if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
-               css = skb->h.raw - skb->data;
+               css = skb_transport_offset(skb);
 
                i = tx_ring->next_to_use;
                buffer_info = &tx_ring->buffer_info[i];
                context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
 
+               context_desc->lower_setup.ip_config = 0;
                context_desc->upper_setup.tcp_fields.tucss = css;
-               context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
+               context_desc->upper_setup.tcp_fields.tucso = css + skb->csum;
                context_desc->upper_setup.tcp_fields.tucse = 0;
                context_desc->tcp_seg_setup.data = 0;
                context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
@@ -3005,7 +2994,6 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
        while (len) {
                buffer_info = &tx_ring->buffer_info[i];
                size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
                /* Workaround for Controller erratum --
                 * descriptor for non-tso packet in a linear SKB that follows a
                 * tso gets written back prematurely before the data is fully
@@ -3020,7 +3008,6 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                 * in TSO mode.  Append 4-byte sentinel desc */
                if (unlikely(mss && !nr_frags && size == len && size > 8))
                        size -= 4;
-#endif
                /* work-around for errata 10 and it applies
                 * to all controllers in PCI-X mode
                 * The fix is to make sure that the first descriptor of a
@@ -3062,12 +3049,10 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                while (len) {
                        buffer_info = &tx_ring->buffer_info[i];
                        size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
                        /* Workaround for premature desc write-backs
                         * in TSO mode.  Append 4-byte sentinel desc */
                        if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
                                size -= 4;
-#endif
                        /* Workaround for potential 82544 hang in PCI-X.
                         * Avoid terminating buffers within evenly-aligned
                         * dwords. */
@@ -3292,7 +3277,6 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if (adapter->hw.mac_type >= e1000_82571)
                max_per_txd = 8192;
 
-#ifdef NETIF_F_TSO
        mss = skb_shinfo(skb)->gso_size;
        /* The controller does a simple calculation to
         * make sure there is enough room in the FIFO before
@@ -3308,7 +3292,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                /* TSO Workaround for 82571/2/3 Controllers -- if skb->data
                * points to just header, pull a few bytes of payload from
                * frags into skb->data */
-               hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
+               hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
                if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
                        switch (adapter->hw.mac_type) {
                                unsigned int pull_size;
@@ -3346,16 +3330,10 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
                count++;
        count++;
-#else
-       if (skb->ip_summed == CHECKSUM_PARTIAL)
-               count++;
-#endif
 
-#ifdef NETIF_F_TSO
        /* Controller Erratum workaround */
        if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
                count++;
-#endif
 
        count += TXD_USE_COUNT(len, max_txd_pwr);
 
@@ -3602,7 +3580,7 @@ e1000_update_stats(struct e1000_adapter *adapter)
         */
        if (adapter->link_speed == 0)
                return;
-       if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
+       if (pci_channel_offline(pdev))
                return;
 
        spin_lock_irqsave(&adapter->stats_lock, flags);
@@ -4012,10 +3990,13 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
 
                        if (cleaned) {
                                struct sk_buff *skb = buffer_info->skb;
-                               unsigned int segs = skb_shinfo(skb)->gso_segs;
+                               unsigned int segs, bytecount;
+                               segs = skb_shinfo(skb)->gso_segs ?: 1;
+                               /* multiply data chunks by size of headers */
+                               bytecount = ((segs - 1) * skb_headlen(skb)) +
+                                           skb->len;
                                total_tx_packets += segs;
-                               total_tx_packets++;
-                               total_tx_bytes += skb->len;
+                               total_tx_bytes += bytecount;
                        }
                        e1000_unmap_and_free_tx_resource(adapter, buffer_info);
                        tx_desc->upper.data = 0;
@@ -5010,10 +4991,7 @@ e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
        uint32_t vfta, index;
 
        e1000_irq_disable(adapter);
-
-       if (adapter->vlgrp)
-               adapter->vlgrp->vlan_devices[vid] = NULL;
-
+       vlan_group_set_device(adapter->vlgrp, vid, NULL);
        e1000_irq_enable(adapter);
 
        if ((adapter->hw.mng_cookie.status &
@@ -5039,7 +5017,7 @@ e1000_restore_vlan(struct e1000_adapter *adapter)
        if (adapter->vlgrp) {
                uint16_t vid;
                for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
-                       if (!adapter->vlgrp->vlan_devices[vid])
+                       if (!vlan_group_get_device(adapter->vlgrp, vid))
                                continue;
                        e1000_vlan_rx_add_vid(adapter->netdev, vid);
                }
@@ -5083,58 +5061,6 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
        return 0;
 }
 
-#ifdef CONFIG_PM
-/* Save/restore 16 or 64 dwords of PCI config space depending on which
- * bus we're on (PCI(X) vs. PCI-E)
- */
-#define PCIE_CONFIG_SPACE_LEN 256
-#define PCI_CONFIG_SPACE_LEN 64
-static int
-e1000_pci_save_state(struct e1000_adapter *adapter)
-{
-       struct pci_dev *dev = adapter->pdev;
-       int size;
-       int i;
-
-       if (adapter->hw.mac_type >= e1000_82571)
-               size = PCIE_CONFIG_SPACE_LEN;
-       else
-               size = PCI_CONFIG_SPACE_LEN;
-
-       WARN_ON(adapter->config_space != NULL);
-
-       adapter->config_space = kmalloc(size, GFP_KERNEL);
-       if (!adapter->config_space) {
-               DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
-               return -ENOMEM;
-       }
-       for (i = 0; i < (size / 4); i++)
-               pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
-       return 0;
-}
-
-static void
-e1000_pci_restore_state(struct e1000_adapter *adapter)
-{
-       struct pci_dev *dev = adapter->pdev;
-       int size;
-       int i;
-
-       if (adapter->config_space == NULL)
-               return;
-
-       if (adapter->hw.mac_type >= e1000_82571)
-               size = PCIE_CONFIG_SPACE_LEN;
-       else
-               size = PCI_CONFIG_SPACE_LEN;
-       for (i = 0; i < (size / 4); i++)
-               pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
-       kfree(adapter->config_space);
-       adapter->config_space = NULL;
-       return;
-}
-#endif /* CONFIG_PM */
-
 static int
 e1000_suspend(struct pci_dev *pdev, pm_message_t state)
 {
@@ -5154,9 +5080,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
        }
 
 #ifdef CONFIG_PM
-       /* Implement our own version of pci_save_state(pdev) because pci-
-        * express adapters have 256-byte config spaces. */
-       retval = e1000_pci_save_state(adapter);
+       retval = pci_save_state(pdev);
        if (retval)
                return retval;
 #endif
@@ -5243,7 +5167,7 @@ e1000_resume(struct pci_dev *pdev)
        uint32_t err;
 
        pci_set_power_state(pdev, PCI_D0);
-       e1000_pci_restore_state(adapter);
+       pci_restore_state(pdev);
        if ((err = pci_enable_device(pdev))) {
                printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
                return err;