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tcp: style the struct tcpcb definition

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- Use C99 types uintXX_t instead of u_intXX_t.
- Try to make space/tab usage a little bit more consistent.
- Shorten comments to fit into 80 chars.

Not a functional change, just making future changes easier to read.
This commit is contained in:
Gleb Smirnoff 2022-10-18 18:00:30 -07:00
parent 1e902c9b34
commit c37384665f
1 changed files with 26 additions and 26 deletions
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52
sys/netinet/tcp_var.h
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@ -148,25 +148,25 @@ struct tcpcb {
tcp_seq snd_max; /* highest sequence number sent;
* used to recognize retransmits
*/
tcp_seq snd_nxt; /* send next */
tcp_seq snd_up; /* send urgent pointer */
uint32_t snd_wnd; /* send window */
uint32_t snd_cwnd; /* congestion-controlled window */
tcp_seq snd_nxt; /* send next */
tcp_seq snd_up; /* send urgent pointer */
uint32_t snd_wnd; /* send window */
uint32_t snd_cwnd; /* congestion-controlled window */
uint32_t t_peakrate_thr; /* pre-calculated peak rate threshold */
/* Cache line 2 */
u_int32_t ts_offset; /* our timestamp offset */
u_int32_t rfbuf_ts; /* recv buffer autoscaling timestamp */
uint32_t ts_offset; /* our timestamp offset */
uint32_t rfbuf_ts; /* recv buffer autoscaling timestamp */
int rcv_numsacks; /* # distinct sack blks present */
u_int t_tsomax; /* TSO total burst length limit in bytes */
u_int t_tsomax; /* TSO total burst length limit */
u_int t_tsomaxsegcount; /* TSO maximum segment count */
u_int t_tsomaxsegsize; /* TSO maximum segment size in bytes */
tcp_seq rcv_nxt; /* receive next */
tcp_seq rcv_adv; /* advertised window */
uint32_t rcv_wnd; /* receive window */
uint32_t rcv_wnd; /* receive window */
u_int t_flags2; /* More tcpcb flags storage */
int t_srtt; /* smoothed round-trip time */
int t_rttvar; /* variance in round-trip time */
u_int32_t ts_recent; /* timestamp echo data */
uint32_t ts_recent; /* timestamp echo data */
u_char snd_scale; /* window scaling for send window */
u_char rcv_scale; /* window scaling for recv window */
u_char snd_limited; /* segments limited transmitted */
@ -176,13 +176,13 @@ struct tcpcb {
/* Cache line 3 */
tcp_seq rcv_up; /* receive urgent pointer */
int t_segqlen; /* segment reassembly queue length */
uint32_t t_segqmbuflen; /* Count of bytes mbufs on all entries */
uint32_t t_segqmbuflen; /* total reassembly queue byte length */
struct tsegqe_head t_segq; /* segment reassembly queue */
struct mbuf *t_in_pkt;
struct mbuf *t_tail_pkt;
struct mbuf *t_in_pkt;
struct mbuf *t_tail_pkt;
struct tcp_timer *t_timers; /* All the TCP timers in one struct */
struct vnet *t_vnet; /* back pointer to parent vnet */
uint32_t snd_ssthresh; /* snd_cwnd size threshold for
uint32_t snd_ssthresh; /* snd_cwnd size threshold for
* for slow start exponential to
* linear switch
*/
@ -206,8 +206,8 @@ struct tcpcb {
tcp_seq t_rtseq; /* sequence number being timed */
u_int t_starttime; /* time connection was established */
u_int t_fbyte_in; /* ticks time when first byte queued in */
u_int t_fbyte_out; /* ticks time when first byte queued out */
u_int t_fbyte_in; /* ticks time first byte queued in */
u_int t_fbyte_out; /* ticks time first byte queued out */
u_int t_pmtud_saved_maxseg; /* pre-blackhole MSS */
int t_blackhole_enter; /* when to enter blackhole detection */
@ -217,10 +217,10 @@ struct tcpcb {
u_int t_rttbest; /* best rtt we've seen */
int t_softerror; /* possible error not yet reported */
uint32_t max_sndwnd; /* largest window peer has offered */
uint32_t max_sndwnd; /* largest window peer has offered */
/* Cache line 5 */
uint32_t snd_cwnd_prev; /* cwnd prior to retransmit */
uint32_t snd_ssthresh_prev; /* ssthresh prior to retransmit */
uint32_t snd_cwnd_prev; /* cwnd prior to retransmit */
uint32_t snd_ssthresh_prev; /* ssthresh prior to retransmit */
tcp_seq snd_recover_prev; /* snd_recover prior to retransmit */
int t_sndzerowin; /* zero-window updates sent */
u_long t_rttupdated; /* number of times rtt sampled */
@ -241,7 +241,7 @@ struct tcpcb {
struct cc_var *ccv; /* congestion control specific vars */
struct osd *osd; /* storage for Khelp module data */
int t_bytes_acked; /* # bytes acked during current RTT */
u_int t_maxunacktime;
u_int t_maxunacktime;
u_int t_keepinit; /* time to establish connection */
u_int t_keepidle; /* time before keepalive probes begin */
u_int t_keepintvl; /* interval between keepalives */
@ -262,18 +262,18 @@ struct tcpcb {
tcp_seq gput_seq; /* Outbound measurement seq */
tcp_seq gput_ack; /* Inbound measurement ack */
int32_t t_stats_gput_prev; /* XXXLAS: Prev gput measurement */
uint32_t t_maxpeakrate; /* max peak rate set by user, in bytes/s */
uint32_t t_maxpeakrate; /* max peak rate set by user, bytes/s */
uint32_t t_sndtlppack; /* tail loss probe packets sent */
uint64_t t_sndtlpbyte; /* total tail loss probe bytes sent */
uint64_t t_sndbytes; /* total bytes sent */
uint64_t t_snd_rxt_bytes; /* total bytes retransmitted */
uint32_t t_dsack_bytes; /* Total number of dsack bytes we have received */
uint32_t t_dsack_tlp_bytes; /* Total number of dsack bytes we have received for TLPs sent */
uint32_t t_dsack_pack; /* Total dsack packets we have recieved */
uint8_t t_tfo_client_cookie_len; /* TCP Fast Open client cookie length */
uint32_t t_dsack_bytes; /* dsack bytes received */
uint32_t t_dsack_tlp_bytes; /* dsack bytes received for TLPs sent */
uint32_t t_dsack_pack; /* dsack packets we have eceived */
/* TCP Fast Open */
uint8_t t_tfo_client_cookie_len; /* TFO client cookie length */
uint32_t t_end_info_status; /* Status flag of end info */
unsigned int *t_tfo_pending; /* TCP Fast Open server pending counter */
unsigned int *t_tfo_pending; /* TFO server pending counter */
union {
uint8_t client[TCP_FASTOPEN_MAX_COOKIE_LEN];
uint64_t server;