From 2d348d1f569f051d2609b04d27bb55cd25eda8fe Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 25 Jul 2011 16:17:35 -0700 Subject: net: Convert struct net_device uc_promisc to bool No need to use int, its uses are boolean. May save a few bytes one day. Signed-off-by: Joe Perches Signed-off-by: David S. Miller --- net/core/dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index 9444c5cb413..17d67b579be 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4497,10 +4497,10 @@ void __dev_set_rx_mode(struct net_device *dev) */ if (!netdev_uc_empty(dev) && !dev->uc_promisc) { __dev_set_promiscuity(dev, 1); - dev->uc_promisc = 1; + dev->uc_promisc = true; } else if (netdev_uc_empty(dev) && dev->uc_promisc) { __dev_set_promiscuity(dev, -1); - dev->uc_promisc = 0; + dev->uc_promisc = false; } if (ops->ndo_set_multicast_list) -- cgit v1.2.3 From d8873315065f1f527c7c380402cf59b1e1d0ae36 Mon Sep 17 00:00:00 2001 From: Neil Horman Date: Tue, 26 Jul 2011 06:05:37 +0000 Subject: net: add IFF_SKB_TX_SHARED flag to priv_flags Pktgen attempts to transmit shared skbs to net devices, which can't be used by some drivers as they keep state information in skbs. This patch adds a flag marking drivers as being able to handle shared skbs in their tx path. Drivers are defaulted to being unable to do so, but calling ether_setup enables this flag, as 90% of the drivers calling ether_setup touch real hardware and can handle shared skbs. A subsequent patch will audit drivers to ensure that the flag is set properly Signed-off-by: Neil Horman Reported-by: Jiri Pirko CC: Robert Olsson CC: Eric Dumazet CC: Alexey Dobriyan CC: David S. Miller Signed-off-by: David S. Miller --- net/core/pktgen.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'net/core') diff --git a/net/core/pktgen.c b/net/core/pktgen.c index f76079cd750..e35a6fbb811 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -1070,7 +1070,9 @@ static ssize_t pktgen_if_write(struct file *file, len = num_arg(&user_buffer[i], 10, &value); if (len < 0) return len; - + if ((value > 0) && + (!(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING))) + return -ENOTSUPP; i += len; pkt_dev->clone_skb = value; @@ -3555,7 +3557,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) pkt_dev->min_pkt_size = ETH_ZLEN; pkt_dev->max_pkt_size = ETH_ZLEN; pkt_dev->nfrags = 0; - pkt_dev->clone_skb = pg_clone_skb_d; pkt_dev->delay = pg_delay_d; pkt_dev->count = pg_count_d; pkt_dev->sofar = 0; @@ -3563,7 +3564,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) pkt_dev->udp_src_max = 9; pkt_dev->udp_dst_min = 9; pkt_dev->udp_dst_max = 9; - pkt_dev->vlan_p = 0; pkt_dev->vlan_cfi = 0; pkt_dev->vlan_id = 0xffff; @@ -3575,6 +3575,8 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname) err = pktgen_setup_dev(pkt_dev, ifname); if (err) goto out1; + if (pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING) + pkt_dev->clone_skb = pg_clone_skb_d; pkt_dev->entry = proc_create_data(ifname, 0600, pg_proc_dir, &pktgen_if_fops, pkt_dev); -- cgit v1.2.3