diff options
author | Tom Herbert <tom@herbertland.com> | 2016-08-16 00:51:02 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-08-18 02:36:23 +0300 |
commit | 9b73896a81dc68a638a011877b7344b252f92276 (patch) | |
tree | c69f4f8665c7f2e41e999e4c1f13eab4a848b0f3 /include/net/kcm.h | |
parent | 43a0c6751a322847cb6fa0ab8cbf77a1d08bfc0a (diff) |
kcm: Use stream parser
Adapt KCM to use the stream parser. This mostly involves removing
the RX handling and setting up the strparser using the interface.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/kcm.h')
-rw-r--r-- | include/net/kcm.h | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/include/net/kcm.h b/include/net/kcm.h index 2840b5825dcc..2a8965819db0 100644 --- a/include/net/kcm.h +++ b/include/net/kcm.h @@ -13,6 +13,7 @@ #include <linux/skbuff.h> #include <net/sock.h> +#include <net/strparser.h> #include <uapi/linux/kcm.h> extern unsigned int kcm_net_id; @@ -21,16 +22,8 @@ extern unsigned int kcm_net_id; #define KCM_STATS_INCR(stat) ((stat)++) struct kcm_psock_stats { - unsigned long long rx_msgs; - unsigned long long rx_bytes; unsigned long long tx_msgs; unsigned long long tx_bytes; - unsigned int rx_aborts; - unsigned int rx_mem_fail; - unsigned int rx_need_more_hdr; - unsigned int rx_msg_too_big; - unsigned int rx_msg_timeouts; - unsigned int rx_bad_hdr_len; unsigned long long reserved; unsigned long long unreserved; unsigned int tx_aborts; @@ -64,13 +57,6 @@ struct kcm_tx_msg { struct sk_buff *last_skb; }; -struct kcm_rx_msg { - int full_len; - int accum_len; - int offset; - int early_eaten; -}; - /* Socket structure for KCM client sockets */ struct kcm_sock { struct sock sk; @@ -87,6 +73,7 @@ struct kcm_sock { struct work_struct tx_work; struct list_head wait_psock_list; struct sk_buff *seq_skb; + u32 tx_stopped : 1; /* Don't use bit fields here, these are set under different locks */ bool tx_wait; @@ -104,11 +91,11 @@ struct bpf_prog; /* Structure for an attached lower socket */ struct kcm_psock { struct sock *sk; + struct strparser strp; struct kcm_mux *mux; int index; u32 tx_stopped : 1; - u32 rx_stopped : 1; u32 done : 1; u32 unattaching : 1; @@ -121,18 +108,12 @@ struct kcm_psock { struct kcm_psock_stats stats; /* Receive */ - struct sk_buff *rx_skb_head; - struct sk_buff **rx_skb_nextp; - struct sk_buff *ready_rx_msg; struct list_head psock_ready_list; - struct work_struct rx_work; - struct delayed_work rx_delayed_work; struct bpf_prog *bpf_prog; struct kcm_sock *rx_kcm; unsigned long long saved_rx_bytes; unsigned long long saved_rx_msgs; - struct timer_list rx_msg_timer; - unsigned int rx_need_bytes; + struct sk_buff *ready_rx_msg; /* Transmit */ struct kcm_sock *tx_kcm; @@ -146,6 +127,7 @@ struct kcm_net { struct mutex mutex; struct kcm_psock_stats aggregate_psock_stats; struct kcm_mux_stats aggregate_mux_stats; + struct strp_aggr_stats aggregate_strp_stats; struct list_head mux_list; int count; }; @@ -163,6 +145,7 @@ struct kcm_mux { struct kcm_mux_stats stats; struct kcm_psock_stats aggregate_psock_stats; + struct strp_aggr_stats aggregate_strp_stats; /* Receive */ spinlock_t rx_lock ____cacheline_aligned_in_smp; @@ -190,14 +173,6 @@ static inline void aggregate_psock_stats(struct kcm_psock_stats *stats, /* Save psock statistics in the mux when psock is being unattached. */ #define SAVE_PSOCK_STATS(_stat) (agg_stats->_stat += stats->_stat) - SAVE_PSOCK_STATS(rx_msgs); - SAVE_PSOCK_STATS(rx_bytes); - SAVE_PSOCK_STATS(rx_aborts); - SAVE_PSOCK_STATS(rx_mem_fail); - SAVE_PSOCK_STATS(rx_need_more_hdr); - SAVE_PSOCK_STATS(rx_msg_too_big); - SAVE_PSOCK_STATS(rx_msg_timeouts); - SAVE_PSOCK_STATS(rx_bad_hdr_len); SAVE_PSOCK_STATS(tx_msgs); SAVE_PSOCK_STATS(tx_bytes); SAVE_PSOCK_STATS(reserved); |