diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-03-28 22:27:32 +0530 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-04-07 16:31:36 +0200 |
commit | dedb67c4b4e5fa2e6e149a2ce93e7848aaa9d762 (patch) | |
tree | 3a250a737ad2c5de9293a2f7ec7609f824321c94 /net/netfilter/nf_tables_api.c | |
parent | 2c62e0bc685fcb400a0b5cffb39860290bc902a8 (diff) |
netfilter: Add nfnl_msg_type() helper function
Add and use nfnl_msg_type() function to replace opencoded nfnetlink
message type. I suggested this change, Arushi Singhal made an initial
patch to address this but was missing several spots.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r-- | net/netfilter/nf_tables_api.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index bf52acfe4eff..7ba76da96cc2 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -438,7 +438,7 @@ static int nf_tables_fill_table_info(struct sk_buff *skb, struct net *net, struct nlmsghdr *nlh; struct nfgenmsg *nfmsg; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), flags); if (nlh == NULL) goto nla_put_failure; @@ -989,7 +989,7 @@ static int nf_tables_fill_chain_info(struct sk_buff *skb, struct net *net, struct nlmsghdr *nlh; struct nfgenmsg *nfmsg; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), flags); if (nlh == NULL) goto nla_put_failure; @@ -1885,10 +1885,9 @@ static int nf_tables_fill_rule_info(struct sk_buff *skb, struct net *net, const struct nft_expr *expr, *next; struct nlattr *list; const struct nft_rule *prule; - int type = event | NFNL_SUBSYS_NFTABLES << 8; + u16 type = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); - nlh = nlmsg_put(skb, portid, seq, type, sizeof(struct nfgenmsg), - flags); + nlh = nlmsg_put(skb, portid, seq, type, sizeof(struct nfgenmsg), flags); if (nlh == NULL) goto nla_put_failure; @@ -2645,7 +2644,7 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx, u32 portid = ctx->portid; u32 seq = ctx->seq; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), flags); if (nlh == NULL) @@ -3395,8 +3394,7 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) if (IS_ERR(set)) return PTR_ERR(set); - event = NFT_MSG_NEWSETELEM; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, NFT_MSG_NEWSETELEM); portid = NETLINK_CB(cb->skb).portid; seq = cb->nlh->nlmsg_seq; @@ -3481,7 +3479,7 @@ static int nf_tables_fill_setelem_info(struct sk_buff *skb, struct nlattr *nest; int err; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), flags); if (nlh == NULL) @@ -4253,7 +4251,7 @@ static int nf_tables_fill_obj_info(struct sk_buff *skb, struct net *net, struct nfgenmsg *nfmsg; struct nlmsghdr *nlh; - event |= NFNL_SUBSYS_NFTABLES << 8; + event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, event); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), flags); if (nlh == NULL) goto nla_put_failure; @@ -4526,7 +4524,7 @@ static int nf_tables_fill_gen_info(struct sk_buff *skb, struct net *net, { struct nlmsghdr *nlh; struct nfgenmsg *nfmsg; - int event = (NFNL_SUBSYS_NFTABLES << 8) | NFT_MSG_NEWGEN; + int event = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, NFT_MSG_NEWGEN); nlh = nlmsg_put(skb, portid, seq, event, sizeof(struct nfgenmsg), 0); if (nlh == NULL) |