diff options
Diffstat (limited to 'net/tipc/msg.h')
| -rw-r--r-- | net/tipc/msg.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 871feadbbc19..ca5f8689a33b 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -160,20 +160,39 @@ struct tipc_gap_ack { /* struct tipc_gap_ack_blks * @len: actual length of the record - * @gack_cnt: number of Gap ACK blocks in the record + * @ugack_cnt: number of Gap ACK blocks for unicast (following the broadcast + * ones) + * @start_index: starting index for "valid" broadcast Gap ACK blocks + * @bgack_cnt: number of Gap ACK blocks for broadcast in the record * @gacks: array of Gap ACK blocks + * + * 31 16 15 0 + * +-------------+-------------+-------------+-------------+ + * | bgack_cnt | ugack_cnt | len | + * +-------------+-------------+-------------+-------------+ - + * | gap | ack | | + * +-------------+-------------+-------------+-------------+ > bc gacks + * : : : | + * +-------------+-------------+-------------+-------------+ - + * | gap | ack | | + * +-------------+-------------+-------------+-------------+ > uc gacks + * : : : | + * +-------------+-------------+-------------+-------------+ - */ struct tipc_gap_ack_blks { __be16 len; - u8 gack_cnt; - u8 reserved; + union { + u8 ugack_cnt; + u8 start_index; + }; + u8 bgack_cnt; struct tipc_gap_ack gacks[]; }; #define tipc_gap_ack_blks_sz(n) (sizeof(struct tipc_gap_ack_blks) + \ sizeof(struct tipc_gap_ack) * (n)) -#define MAX_GAP_ACK_BLKS 32 +#define MAX_GAP_ACK_BLKS 128 #define MAX_GAP_ACK_BLKS_SZ tipc_gap_ack_blks_sz(MAX_GAP_ACK_BLKS) static inline struct tipc_msg *buf_msg(struct sk_buff *skb) |