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| author | Jeff Garzik <jeff@garzik.org> | 2006-03-02 14:26:30 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-02 14:26:30 -0500 |
| commit | 2ade43618b0aee83a50b344171d33d85c73d01b1 (patch) | |
| tree | 0a49fe46159a6ef66098a4f37935412f4f226f4c /drivers/net/s2io.h | |
| parent | 75e47b36004d136edff68295420424cba3a5ccd0 (diff) | |
| parent | 79dc190147f8a87718fe72928d5ceb58e09acdb9 (diff) | |
| download | linux-2ade43618b0aee83a50b344171d33d85c73d01b1.tar.bz2 | |
Merge branch 'lro'
Diffstat (limited to 'drivers/net/s2io.h')
| -rw-r--r-- | drivers/net/s2io.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 68ae33651947..0a0b5b29d81e 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -78,6 +78,13 @@ static int debug_level = ERR_DBG; typedef struct { unsigned long long single_ecc_errs; unsigned long long double_ecc_errs; + /* LRO statistics */ + unsigned long long clubbed_frms_cnt; + unsigned long long sending_both; + unsigned long long outof_sequence_pkts; + unsigned long long flush_max_pkts; + unsigned long long sum_avg_pkts_aggregated; + unsigned long long num_aggregations; } swStat_t; /* The statistics block of Xena */ @@ -680,6 +687,24 @@ struct msix_info_st { u64 data; }; +/* Data structure to represent a LRO session */ +typedef struct lro { + struct sk_buff *parent; + u8 *l2h; + struct iphdr *iph; + struct tcphdr *tcph; + u32 tcp_next_seq; + u32 tcp_ack; + int total_len; + int frags_len; + int sg_num; + int in_use; + u16 window; + u32 cur_tsval; + u32 cur_tsecr; + u8 saw_ts; +}lro_t; + /* Structure representing one instance of the NIC */ struct s2io_nic { int rxd_mode; @@ -784,6 +809,13 @@ struct s2io_nic { #define XFRAME_II_DEVICE 2 u8 device_type; +#define MAX_LRO_SESSIONS 32 + lro_t lro0_n[MAX_LRO_SESSIONS]; + unsigned long clubbed_frms_cnt; + unsigned long sending_both; + u8 lro; + u16 lro_max_aggr_per_sess; + #define INTA 0 #define MSI 1 #define MSI_X 2 @@ -937,4 +969,10 @@ static void s2io_card_down(nic_t *nic); static int s2io_card_up(nic_t *nic); static int get_xena_rev_id(struct pci_dev *pdev); static void restore_xmsi_data(nic_t *nic); + +static int s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, lro_t **lro, RxD_t *rxdp, nic_t *sp); +static void clear_lro_session(lro_t *lro); +static void queue_rx_frame(struct sk_buff *skb); +static void update_L3L4_header(nic_t *sp, lro_t *lro); +static void lro_append_pkt(nic_t *sp, lro_t *lro, struct sk_buff *skb, u32 tcp_len); #endif /* _S2IO_H */ |