From dc153f850daba6eb665fbfedd349d09bcfd9bda9 Mon Sep 17 00:00:00 2001 From: Aaron Young Date: Tue, 15 Mar 2016 11:35:40 -0700 Subject: [PATCH] ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c Checkpatch updates for sunvnet.c and sunvnet_common.c. Signed-off-by: Aaron Young Signed-off-by: Rashmi Narasimhan Reviewed-by: Sowmini Varadhan Reviewed-by: Alexandre Chartre Signed-off-by: David S. Miller --- drivers/net/ethernet/sun/sunvnet.c | 6 +- drivers/net/ethernet/sun/sunvnet_common.c | 100 ++++++++++++---------- 2 files changed, 56 insertions(+), 50 deletions(-) diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 98c5f1612681..a2f9b47de187 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -66,12 +66,14 @@ static void vnet_get_drvinfo(struct net_device *dev, static u32 vnet_get_msglevel(struct net_device *dev) { struct vnet *vp = netdev_priv(dev); + return vp->msg_enable; } static void vnet_set_msglevel(struct net_device *dev, u32 value) { struct vnet *vp = netdev_priv(dev); + vp->msg_enable = value; } @@ -359,7 +361,7 @@ static int vnet_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) INIT_LIST_HEAD(&port->list); switch_port = 0; - if (mdesc_get_property(hp, vdev->mp, "switch-port", NULL) != NULL) + if (mdesc_get_property(hp, vdev->mp, "switch-port", NULL)) switch_port = 1; port->switch_port = switch_port; port->tso = true; @@ -403,7 +405,6 @@ static int vnet_port_remove(struct vio_dev *vdev) struct vnet_port *port = dev_get_drvdata(&vdev->dev); if (port) { - del_timer_sync(&port->vio.timer); napi_disable(&port->napi); @@ -421,7 +422,6 @@ static int vnet_port_remove(struct vio_dev *vdev) dev_set_drvdata(&vdev->dev, NULL); kfree(port); - } return 0; } diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index 083f41c93933..904a5a12a85d 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c @@ -119,7 +119,6 @@ int sunvnet_send_attr_common(struct vio_driver_state *vio) pkt.ack_freq, pkt.plnk_updt, pkt.options, (unsigned long long)pkt.mtu, pkt.cflags, pkt.ipv4_lso_maxlen); - return vio_ldc_send(vio, &pkt, sizeof(pkt)); } EXPORT_SYMBOL_GPL(sunvnet_send_attr_common); @@ -197,24 +196,23 @@ static int handle_attr_info(struct vio_driver_state *vio, pkt->tag.stype = VIO_SUBTYPE_NACK; - (void) vio_ldc_send(vio, pkt, sizeof(*pkt)); + (void)vio_ldc_send(vio, pkt, sizeof(*pkt)); return -ECONNRESET; - } else { - viodbg(HS, "SEND NET ATTR ACK xmode[0x%x] atype[0x%x] " - "addr[%llx] ackfreq[%u] plnk_updt[0x%02x] opts[0x%02x] " - "mtu[%llu] (rmtu[%llu]) cflags[0x%04x] lso_max[%u]\n", - pkt->xfer_mode, pkt->addr_type, - (unsigned long long)pkt->addr, - pkt->ack_freq, pkt->plnk_updt, pkt->options, - (unsigned long long)pkt->mtu, port->rmtu, pkt->cflags, - pkt->ipv4_lso_maxlen); - - pkt->tag.stype = VIO_SUBTYPE_ACK; - - return vio_ldc_send(vio, pkt, sizeof(*pkt)); } + viodbg(HS, "SEND NET ATTR ACK xmode[0x%x] atype[0x%x] " + "addr[%llx] ackfreq[%u] plnk_updt[0x%02x] opts[0x%02x] " + "mtu[%llu] (rmtu[%llu]) cflags[0x%04x] lso_max[%u]\n", + pkt->xfer_mode, pkt->addr_type, + (unsigned long long)pkt->addr, + pkt->ack_freq, pkt->plnk_updt, pkt->options, + (unsigned long long)pkt->mtu, port->rmtu, pkt->cflags, + pkt->ipv4_lso_maxlen); + + pkt->tag.stype = VIO_SUBTYPE_ACK; + + return vio_ldc_send(vio, pkt, sizeof(*pkt)); } static int handle_attr_ack(struct vio_driver_state *vio, @@ -258,10 +256,12 @@ void sunvnet_handshake_complete_common(struct vio_driver_state *vio) struct vio_dring_state *dr; dr = &vio->drings[VIO_DRIVER_RX_RING]; - dr->snd_nxt = dr->rcv_nxt = 1; + dr->rcv_nxt = 1; + dr->snd_nxt = 1; dr = &vio->drings[VIO_DRIVER_TX_RING]; - dr->snd_nxt = dr->rcv_nxt = 1; + dr->rcv_nxt = 1; + dr->snd_nxt = 1; } EXPORT_SYMBOL_GPL(sunvnet_handshake_complete_common); @@ -283,13 +283,14 @@ EXPORT_SYMBOL_GPL(sunvnet_handshake_complete_common); static struct sk_buff *alloc_and_align_skb(struct net_device *dev, unsigned int len) { - struct sk_buff *skb = netdev_alloc_skb(dev, len+VNET_PACKET_SKIP+8+8); + struct sk_buff *skb; unsigned long addr, off; + skb = netdev_alloc_skb(dev, len + VNET_PACKET_SKIP + 8 + 8); if (unlikely(!skb)) return NULL; - addr = (unsigned long) skb->data; + addr = (unsigned long)skb->data; off = ((addr + 7UL) & ~7UL) - addr; if (off) skb_reserve(skb, off); @@ -505,7 +506,7 @@ static int vnet_walk_rx_one(struct vnet_port *port, struct vio_driver_state *vio = &port->vio; int err; - BUG_ON(desc == NULL); + BUG_ON(!desc); if (IS_ERR(desc)) return PTR_ERR(desc); @@ -540,13 +541,14 @@ static int vnet_walk_rx(struct vnet_port *port, struct vio_dring_state *dr, int ack_start = -1, ack_end = -1; bool send_ack = true; - end = (end == (u32) -1) ? vio_dring_prev(dr, start) - : vio_dring_next(dr, end); + end = (end == (u32)-1) ? vio_dring_prev(dr, start) + : vio_dring_next(dr, end); viodbg(DATA, "vnet_walk_rx start[%08x] end[%08x]\n", start, end); while (start != end) { int ack = 0, err = vnet_walk_rx_one(port, dr, start, &ack); + if (err == -ECONNRESET) return err; if (err != 0) @@ -568,8 +570,10 @@ static int vnet_walk_rx(struct vnet_port *port, struct vio_dring_state *dr, break; } } - if (unlikely(ack_start == -1)) - ack_start = ack_end = vio_dring_prev(dr, start); + if (unlikely(ack_start == -1)) { + ack_end = vio_dring_prev(dr, start); + ack_start = ack_end; + } if (send_ack) { port->napi_resume = false; trace_vnet_tx_send_stopped_ack(port->vio._local_sid, @@ -749,7 +753,7 @@ ldc_ctrl: } /* We may have multiple LDC events in rx_event. Unroll send_events() */ event = (port->rx_event & LDC_EVENT_UP); - port->rx_event &= ~(LDC_EVENT_RESET|LDC_EVENT_UP); + port->rx_event &= ~(LDC_EVENT_RESET | LDC_EVENT_UP); if (event == LDC_EVENT_UP) goto ldc_ctrl; event = port->rx_event; @@ -759,7 +763,8 @@ ldc_ctrl: /* we dont expect any other bits than RESET, UP, DATA_READY */ BUG_ON(event != LDC_EVENT_DATA_READY); - tx_wakeup = err = 0; + err = 0; + tx_wakeup = 0; while (1) { union { struct vio_msg_tag tag; @@ -776,7 +781,8 @@ ldc_ctrl: pkt->tag.stype = VIO_SUBTYPE_INFO; pkt->tag.stype_env = VIO_DRING_DATA; pkt->seq = dr->rcv_nxt; - pkt->start_idx = vio_dring_next(dr, port->napi_stop_idx); + pkt->start_idx = vio_dring_next(dr, + port->napi_stop_idx); pkt->end_idx = -1; goto napi_resume; } @@ -860,7 +866,6 @@ void sunvnet_event_common(void *arg, int event) port->rx_event |= event; vio_set_intr(vio->vdev->rx_ino, HV_INTR_DISABLED); napi_schedule(&port->napi); - } EXPORT_SYMBOL_GPL(sunvnet_event_common); @@ -876,7 +881,7 @@ static int __vnet_tx_trigger(struct vnet_port *port, u32 start) }, .dring_ident = dr->ident, .start_idx = start, - .end_idx = (u32) -1, + .end_idx = (u32)-1, }; int err, delay; int retries = 0; @@ -928,7 +933,7 @@ static struct sk_buff *vnet_clean_tx_ring(struct vnet_port *port, --txi; if (txi < 0) - txi = VNET_TX_RING_SIZE-1; + txi = VNET_TX_RING_SIZE - 1; d = vio_dring_entry(dr, txi); @@ -949,8 +954,9 @@ static struct sk_buff *vnet_clean_tx_ring(struct vnet_port *port, ldc_unmap(port->vio.lp, port->tx_bufs[txi].cookies, port->tx_bufs[txi].ncookies); - } else if (d->hdr.state == VIO_DESC_FREE) + } else if (d->hdr.state == VIO_DESC_FREE) { break; + } d->hdr.state = VIO_DESC_FREE; } return skb; @@ -1001,7 +1007,7 @@ static inline int vnet_skb_map(struct ldc_channel *lp, struct sk_buff *skb, blen += VNET_PACKET_SKIP; blen += 8 - (blen & 7); - err = ldc_map_single(lp, skb->data-VNET_PACKET_SKIP, blen, cookies, + err = ldc_map_single(lp, skb->data - VNET_PACKET_SKIP, blen, cookies, ncookies, map_perm); if (err < 0) return err; @@ -1061,7 +1067,7 @@ static inline struct sk_buff *vnet_skb_shape(struct sk_buff *skb, int ncookies) len = skb->len > ETH_ZLEN ? skb->len : ETH_ZLEN; nskb = alloc_and_align_skb(skb->dev, len); - if (nskb == NULL) { + if (!nskb) { dev_kfree_skb(skb); return NULL; } @@ -1138,11 +1144,11 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, else if (skb->protocol == htons(ETH_P_IPV6)) proto = ipv6_hdr(skb)->nexthdr; - if (proto == IPPROTO_TCP) + if (proto == IPPROTO_TCP) { hlen += tcp_hdr(skb)->doff * 4; - else if (proto == IPPROTO_UDP) + } else if (proto == IPPROTO_UDP) { hlen += sizeof(struct udphdr); - else { + } else { pr_err("vnet_handle_offloads GSO with unknown transport " "protocol %d tproto %d\n", skb->protocol, proto); hlen = 128; /* XXX */ @@ -1195,8 +1201,9 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, skb_shinfo(curr)->gso_type = gso_type; skb_shinfo(curr)->gso_segs = DIV_ROUND_UP(curr->len - hlen, gso_size); - } else + } else { skb_shinfo(curr)->gso_size = 0; + } skb_push(curr, maclen); skb_reset_mac_header(curr); @@ -1521,14 +1528,14 @@ static void __send_mc_list(struct vnet *vp, struct vnet_port *port) if (++n_addrs == VNET_NUM_MCAST) { info.count = n_addrs; - (void) vio_ldc_send(&port->vio, &info, - sizeof(info)); + (void)vio_ldc_send(&port->vio, &info, + sizeof(info)); n_addrs = 0; } } if (n_addrs) { info.count = n_addrs; - (void) vio_ldc_send(&port->vio, &info, sizeof(info)); + (void)vio_ldc_send(&port->vio, &info, sizeof(info)); } info.set = 0; @@ -1546,8 +1553,8 @@ static void __send_mc_list(struct vnet *vp, struct vnet_port *port) m->addr, ETH_ALEN); if (++n_addrs == VNET_NUM_MCAST) { info.count = n_addrs; - (void) vio_ldc_send(&port->vio, &info, - sizeof(info)); + (void)vio_ldc_send(&port->vio, &info, + sizeof(info)); n_addrs = 0; } @@ -1556,7 +1563,7 @@ static void __send_mc_list(struct vnet *vp, struct vnet_port *port) } if (n_addrs) { info.count = n_addrs; - (void) vio_ldc_send(&port->vio, &info, sizeof(info)); + (void)vio_ldc_send(&port->vio, &info, sizeof(info)); } } @@ -1566,7 +1573,6 @@ void sunvnet_set_rx_mode_common(struct net_device *dev, struct vnet *vp) rcu_read_lock(); list_for_each_entry_rcu(port, &vp->port_list, list) { - if (port->switch_port) { __update_mc_list(vp, dev); __send_mc_list(vp, port); @@ -1600,7 +1606,7 @@ void sunvnet_port_free_tx_bufs_common(struct vnet_port *port) dr = &port->vio.drings[VIO_DRIVER_TX_RING]; - if (dr->base == NULL) + if (!dr->base) return; for (i = 0; i < VNET_TX_RING_SIZE; i++) { @@ -1668,7 +1674,8 @@ static int vnet_port_alloc_tx_ring(struct vnet_port *port) dr->base = dring; dr->entry_size = elen; dr->num_entries = VNET_TX_RING_SIZE; - dr->prod = dr->cons = 0; + dr->prod = 0; + dr->cons = 0; port->start_cons = true; /* need an initial trigger */ dr->pending = VNET_TX_RING_SIZE; dr->ncookies = ncookies; @@ -1713,7 +1720,6 @@ void sunvnet_port_add_txq_common(struct vnet_port *port) port->q_index = n; netif_tx_wake_queue(netdev_get_tx_queue(VNET_PORT_TO_NET_DEVICE(port), port->q_index)); - } EXPORT_SYMBOL_GPL(sunvnet_port_add_txq_common); -- 2.39.5