dccp ccid-3: Overhaul CCID naming convention 2/2

This implements the new naming scheme also for CCID-3.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 209 insertions, 232 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 34dcc798c457..6b8d67ba7fe7 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -65,13 +65,13 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
                                   enum ccid3_hc_tx_states state)
 {
         struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-        enum ccid3_hc_tx_states oldstate = hctx->ccid3hctx_state;
+        enum ccid3_hc_tx_states oldstate = hctx->tx_state;
 
         ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
                        dccp_role(sk), sk, ccid3_tx_state_name(oldstate),
                        ccid3_tx_state_name(state));
         WARN_ON(state == oldstate);
-        hctx->ccid3hctx_state = state;
+        hctx->tx_state = state;
 }
 
 /*
@@ -86,10 +86,9 @@ static void ccid3_hc_tx_set_state(struct sock *sk,
 static inline u64 rfc3390_initial_rate(struct sock *sk)
 {
         const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-        const __u32 w_init = clamp_t(__u32, 4380U,
-                        2 * hctx->ccid3hctx_s, 4 * hctx->ccid3hctx_s);
+        const __u32 w_init = clamp_t(__u32, 4380U, 2 * hctx->tx_s, 4 * hctx->tx_s);
 
-        return scaled_div(w_init << 6, hctx->ccid3hctx_rtt);
+        return scaled_div(w_init << 6, hctx->tx_rtt);
 }
 
 /*
@@ -98,24 +97,20 @@ static inline u64 rfc3390_initial_rate(struct sock *sk)
 static void ccid3_update_send_interval(struct ccid3_hc_tx_sock *hctx)
 {
         /* Calculate new t_ipi = s / X_inst (X_inst is in 64 * bytes/second) */
-        hctx->ccid3hctx_t_ipi = scaled_div32(((u64)hctx->ccid3hctx_s) << 6,
-                                             hctx->ccid3hctx_x);
+        hctx->tx_t_ipi = scaled_div32(((u64)hctx->tx_s) << 6, hctx->tx_x);
 
         /* Calculate new delta by delta = min(t_ipi / 2, t_gran / 2) */
-        hctx->ccid3hctx_delta = min_t(u32, hctx->ccid3hctx_t_ipi / 2,
-                                           TFRC_OPSYS_HALF_TIME_GRAN);
-
-        ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n",
-                       hctx->ccid3hctx_t_ipi, hctx->ccid3hctx_delta,
-                       hctx->ccid3hctx_s, (unsigned)(hctx->ccid3hctx_x >> 6));
+        hctx->tx_delta = min_t(u32, hctx->tx_t_ipi / 2, TFRC_OPSYS_HALF_TIME_GRAN);
 
+        ccid3_pr_debug("t_ipi=%u, delta=%u, s=%u, X=%u\n", hctx->tx_t_ipi,
+                       hctx->tx_delta, hctx->tx_s, (unsigned)(hctx->tx_x >> 6));
 }
 
 static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
 {
-        u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count);
+        u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count);
 
-        return delta / hctx->ccid3hctx_rtt;
+        return delta / hctx->tx_rtt;
 }
 
 /**
@@ -131,8 +126,8 @@ static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hctx, ktime_t now)
 static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
 {
         struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
-        __u64 min_rate = 2 * hctx->ccid3hctx_x_recv;
-        const  __u64 old_x = hctx->ccid3hctx_x;
+        __u64 min_rate = 2 * hctx->tx_x_recv;
+        const __u64 old_x = hctx->tx_x;
         ktime_t now = stamp ? *stamp : ktime_get_real();
 
         /*
@@ -143,33 +138,27 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
          */
         if (ccid3_hc_tx_idle_rtt(hctx, now) >= 2) {
                 min_rate = rfc3390_initial_rate(sk);
-                min_rate = max(min_rate, 2 * hctx->ccid3hctx_x_recv);
+                min_rate = max(min_rate, 2 * hctx->tx_x_recv);
         }
 
-        if (hctx->ccid3hctx_p > 0) {
+        if (hctx->tx_p > 0) {
 
-                hctx->ccid3hctx_x = min(((__u64)hctx->ccid3hctx_x_calc) << 6,
-                                        min_rate);
-                hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
-                                        (((__u64)hctx->ccid3hctx_s) << 6) /
-                                                                TFRC_T_MBI);
+                hctx->tx_x = min(((__u64)hctx->tx_x_calc) << 6, min_rate);
+                hctx->tx_x = max(hctx->tx_x, (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
 
-        } else if (ktime_us_delta(now, hctx->ccid3hctx_t_ld)
-                                - (s64)hctx->ccid3hctx_rtt >= 0) {
+        } else if (ktime_us_delta(now, hctx->tx_t_ld) - (s64)hctx->tx_rtt >= 0) {
 
-                hctx->ccid3hctx_x = min(2 * hctx->ccid3hctx_x, min_rate);
-                hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
-                            scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
-                                       hctx->ccid3hctx_rtt));
-                hctx->ccid3hctx_t_ld = now;
+                hctx->tx_x = min(2 * hctx->tx_x, min_rate);
+                hctx->tx_x = max(hctx->tx_x, scaled_div(((__u64)hctx->tx_s) << 6,
+                                                        hctx->tx_rtt));
+                hctx->tx_t_ld = now;
         }
 
-        if (hctx->ccid3hctx_x != old_x) {
+        if (hctx->tx_x != old_x) {
                 ccid3_pr_debug("X_prev=%u, X_now=%u, X_calc=%u, "
                                "X_recv=%u\n", (unsigned)(old_x >> 6),
-                               (unsigned)(hctx->ccid3hctx_x >> 6),
-                               hctx->ccid3hctx_x_calc,
-                               (unsigned)(hctx->ccid3hctx_x_recv >> 6));
+                               (unsigned)(hctx->tx_x >> 6), hctx->tx_x_calc,
+                               (unsigned)(hctx->tx_x_recv >> 6));
 
                 ccid3_update_send_interval(hctx);
         }
@@ -181,11 +170,11 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
  */
 static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 {
-        const u16 old_s = hctx->ccid3hctx_s;
+        const u16 old_s = hctx->tx_s;
 
-        hctx->ccid3hctx_s = tfrc_ewma(hctx->ccid3hctx_s, len, 9);
+        hctx->tx_s = tfrc_ewma(hctx->tx_s, len, 9);
 
-        if (hctx->ccid3hctx_s != old_s)
+        if (hctx->tx_s != old_s)
                 ccid3_update_send_interval(hctx);
 }
 
@@ -196,13 +185,13 @@ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
                                                 ktime_t now)
 {
-        u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count),
-            quarter_rtts = (4 * delta) / hctx->ccid3hctx_rtt;
+        u32 delta = ktime_us_delta(now, hctx->tx_t_last_win_count),
+            quarter_rtts = (4 * delta) / hctx->tx_rtt;
 
         if (quarter_rtts > 0) {
-                hctx->ccid3hctx_t_last_win_count = now;
-                hctx->ccid3hctx_last_win_count  += min(quarter_rtts, 5U);
-                hctx->ccid3hctx_last_win_count  &= 0xF;         /* mod 16 */
+                hctx->tx_t_last_win_count = now;
+                hctx->tx_last_win_count  += min(quarter_rtts, 5U);
+                hctx->tx_last_win_count  &= 0xF;                /* mod 16 */
         }
 }
 
@@ -220,23 +209,22 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
         }
 
         ccid3_pr_debug("%s(%p, state=%s) - entry \n", dccp_role(sk), sk,
-                       ccid3_tx_state_name(hctx->ccid3hctx_state));
+                       ccid3_tx_state_name(hctx->tx_state));
 
-        if (hctx->ccid3hctx_state == TFRC_SSTATE_FBACK)
+        if (hctx->tx_state == TFRC_SSTATE_FBACK)
                 ccid3_hc_tx_set_state(sk, TFRC_SSTATE_NO_FBACK);
-        else if (hctx->ccid3hctx_state != TFRC_SSTATE_NO_FBACK)
+        else if (hctx->tx_state != TFRC_SSTATE_NO_FBACK)
                 goto out;
 
         /*
          * Determine new allowed sending rate X as per draft rfc3448bis-00, 4.4
          */
-        if (hctx->ccid3hctx_t_rto == 0 ||       /* no feedback received yet */
-            hctx->ccid3hctx_p == 0) {
+        if (hctx->tx_t_rto == 0 ||      /* no feedback received yet */
+            hctx->tx_p == 0) {
 
                 /* halve send rate directly */
-                hctx->ccid3hctx_x = max(hctx->ccid3hctx_x / 2,
-                                        (((__u64)hctx->ccid3hctx_s) << 6) /
-                                                                    TFRC_T_MBI);
+                hctx->tx_x = max(hctx->tx_x / 2,
+                                 (((__u64)hctx->tx_s) << 6) / TFRC_T_MBI);
                 ccid3_update_send_interval(hctx);
         } else {
                 /*
@@ -249,33 +237,33 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
                  *
                  *  Note that X_recv is scaled by 2^6 while X_calc is not
                  */
-                BUG_ON(hctx->ccid3hctx_p && !hctx->ccid3hctx_x_calc);
+                BUG_ON(hctx->tx_p && !hctx->tx_x_calc);
 
-                if (hctx->ccid3hctx_x_calc > (hctx->ccid3hctx_x_recv >> 5))
-                        hctx->ccid3hctx_x_recv =
-                                max(hctx->ccid3hctx_x_recv / 2,
-                                    (((__u64)hctx->ccid3hctx_s) << 6) /
+                if (hctx->tx_x_calc > (hctx->tx_x_recv >> 5))
+                        hctx->tx_x_recv =
+                                max(hctx->tx_x_recv / 2,
+                                    (((__u64)hctx->tx_s) << 6) /
                                                               (2 * TFRC_T_MBI));
                 else {
-                        hctx->ccid3hctx_x_recv = hctx->ccid3hctx_x_calc;
-                        hctx->ccid3hctx_x_recv <<= 4;
+                        hctx->tx_x_recv = hctx->tx_x_calc;
+                        hctx->tx_x_recv <<= 4;
                 }
                 ccid3_hc_tx_update_x(sk, NULL);
         }
         ccid3_pr_debug("Reduced X to %llu/64 bytes/sec\n",
-                        (unsigned long long)hctx->ccid3hctx_x);
+                        (unsigned long long)hctx->tx_x);
 
         /*
          * Set new timeout for the nofeedback timer.
          * See comments in packet_recv() regarding the value of t_RTO.
          */
-        if (unlikely(hctx->ccid3hctx_t_rto == 0))       /* no feedback yet */
+        if (unlikely(hctx->tx_t_rto == 0))      /* no feedback yet */
                 t_nfb = TFRC_INITIAL_TIMEOUT;
         else
-                t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);
+                t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
 
 restart_timer:
-        sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
+        sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
                            jiffies + usecs_to_jiffies(t_nfb));
 out:
         bh_unlock_sock(sk);
@@ -303,18 +291,17 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
         if (unlikely(skb->len == 0))
                 return -EBADMSG;
 
-        switch (hctx->ccid3hctx_state) {
+        switch (hctx->tx_state) {
         case TFRC_SSTATE_NO_SENT:
-                sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
-                               (jiffies +
+                sk_reset_timer(sk, &hctx->tx_no_feedback_timer, (jiffies +
                                 usecs_to_jiffies(TFRC_INITIAL_TIMEOUT)));
-                hctx->ccid3hctx_last_win_count   = 0;
-                hctx->ccid3hctx_t_last_win_count = now;
+                hctx->tx_last_win_count   = 0;
+                hctx->tx_t_last_win_count = now;
 
                 /* Set t_0 for initial packet */
-                hctx->ccid3hctx_t_nom = now;
+                hctx->tx_t_nom = now;
 
-                hctx->ccid3hctx_s = skb->len;
+                hctx->tx_s = skb->len;
 
                 /*
                  * Use initial RTT sample when available: recommended by erratum
@@ -323,9 +310,9 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
                  */
                 if (dp->dccps_syn_rtt) {
                         ccid3_pr_debug("SYN RTT = %uus\n", dp->dccps_syn_rtt);
-                        hctx->ccid3hctx_rtt  = dp->dccps_syn_rtt;
-                        hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-                        hctx->ccid3hctx_t_ld = now;
+                        hctx->tx_rtt  = dp->dccps_syn_rtt;
+                        hctx->tx_x    = rfc3390_initial_rate(sk);
+                        hctx->tx_t_ld = now;
                 } else {
                         /*
                          * Sender does not have RTT sample:
@@ -333,9 +320,9 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
                          *   is needed in several parts (e.g.  window counter);
                          * - set sending rate X_pps = 1pps as per RFC 3448, 4.2.
                          */
-                        hctx->ccid3hctx_rtt = DCCP_FALLBACK_RTT;
-                        hctx->ccid3hctx_x   = hctx->ccid3hctx_s;
-                        hctx->ccid3hctx_x <<= 6;
+                        hctx->tx_rtt = DCCP_FALLBACK_RTT;
+                        hctx->tx_x   = hctx->tx_s;
+                        hctx->tx_x <<= 6;
                 }
                 ccid3_update_send_interval(hctx);
 
@@ -343,7 +330,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
                 break;
         case TFRC_SSTATE_NO_FBACK:
         case TFRC_SSTATE_FBACK:
-                delay = ktime_us_delta(hctx->ccid3hctx_t_nom, now);
+                delay = ktime_us_delta(hctx->tx_t_nom, now);
                 ccid3_pr_debug("delay=%ld\n", (long)delay);
                 /*
                  *      Scheduling of packet transmissions [RFC 3448, 4.6]
@@ -353,7 +340,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
                  * else
                  *       // send the packet in (t_nom - t_now) milliseconds.
                  */
-                if (delay - (s64)hctx->ccid3hctx_delta >= 1000)
+                if (delay - (s64)hctx->tx_delta >= 1000)
                         return (u32)delay / 1000L;
 
                 ccid3_hc_tx_update_win_count(hctx, now);
@@ -365,11 +352,10 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
 
         /* prepare to send now (add options etc.) */
         dp->dccps_hc_tx_insert_options = 1;
-        DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count;
+        DCCP_SKB_CB(skb)->dccpd_ccval = hctx->tx_last_win_count;
 
         /* set the nominal send time for the next following packet */
-        hctx->ccid3hctx_t_nom = ktime_add_us(hctx->ccid3hctx_t_nom,
-                                             hctx->ccid3hctx_t_ipi);
+        hctx->tx_t_nom = ktime_add_us(hctx->tx_t_nom, hctx->tx_t_ipi);
         return 0;
 }
 
@@ -380,7 +366,7 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more,
 
         ccid3_hc_tx_update_s(hctx, len);
 
-        if (tfrc_tx_hist_add(&hctx->ccid3hctx_hist, dccp_sk(sk)->dccps_gss))
+        if (tfrc_tx_hist_add(&hctx->tx_hist, dccp_sk(sk)->dccps_gss))
                 DCCP_CRIT("packet history - out of memory!");
 }
 
@@ -397,15 +383,15 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
               DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_DATAACK))
                 return;
         /* ... and only in the established state */
-        if (hctx->ccid3hctx_state != TFRC_SSTATE_FBACK &&
-            hctx->ccid3hctx_state != TFRC_SSTATE_NO_FBACK)
+        if (hctx->tx_state != TFRC_SSTATE_FBACK &&
+            hctx->tx_state != TFRC_SSTATE_NO_FBACK)
                 return;
 
-        opt_recv = &hctx->ccid3hctx_options_received;
+        opt_recv = &hctx->tx_options_received;
         now = ktime_get_real();
 
         /* Estimate RTT from history if ACK number is valid */
-        r_sample = tfrc_tx_hist_rtt(hctx->ccid3hctx_hist,
+        r_sample = tfrc_tx_hist_rtt(hctx->tx_hist,
                                     DCCP_SKB_CB(skb)->dccpd_ack_seq, now);
         if (r_sample == 0) {
                 DCCP_WARN("%s(%p): %s with bogus ACK-%llu\n", dccp_role(sk), sk,
@@ -415,37 +401,37 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
         }
 
         /* Update receive rate in units of 64 * bytes/second */
-        hctx->ccid3hctx_x_recv = opt_recv->ccid3or_receive_rate;
-        hctx->ccid3hctx_x_recv <<= 6;
+        hctx->tx_x_recv = opt_recv->ccid3or_receive_rate;
+        hctx->tx_x_recv <<= 6;
 
         /* Update loss event rate (which is scaled by 1e6) */
         pinv = opt_recv->ccid3or_loss_event_rate;
         if (pinv == ~0U || pinv == 0)          /* see RFC 4342, 8.5   */
-                hctx->ccid3hctx_p = 0;
+                hctx->tx_p = 0;
         else                                   /* can not exceed 100% */
-                hctx->ccid3hctx_p = scaled_div(1, pinv);
+                hctx->tx_p = scaled_div(1, pinv);
         /*
          * Validate new RTT sample and update moving average
          */
         r_sample = dccp_sample_rtt(sk, r_sample);
-        hctx->ccid3hctx_rtt = tfrc_ewma(hctx->ccid3hctx_rtt, r_sample, 9);
+        hctx->tx_rtt = tfrc_ewma(hctx->tx_rtt, r_sample, 9);
         /*
          * Update allowed sending rate X as per draft rfc3448bis-00, 4.2/3
          */
-        if (hctx->ccid3hctx_state == TFRC_SSTATE_NO_FBACK) {
+        if (hctx->tx_state == TFRC_SSTATE_NO_FBACK) {
                 ccid3_hc_tx_set_state(sk, TFRC_SSTATE_FBACK);
 
-                if (hctx->ccid3hctx_t_rto == 0) {
+                if (hctx->tx_t_rto == 0) {
                         /*
                          * Initial feedback packet: Larger Initial Windows (4.2)
                          */
-                        hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
-                        hctx->ccid3hctx_t_ld = now;
+                        hctx->tx_x    = rfc3390_initial_rate(sk);
+                        hctx->tx_t_ld = now;
 
                         ccid3_update_send_interval(hctx);
 
                         goto done_computing_x;
-                } else if (hctx->ccid3hctx_p == 0) {
+                } else if (hctx->tx_p == 0) {
                         /*
                          * First feedback after nofeedback timer expiry (4.3)
                          */
@@ -454,25 +440,20 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
         }
 
         /* Update sending rate (step 4 of [RFC 3448, 4.3]) */
-        if (hctx->ccid3hctx_p > 0)
-                hctx->ccid3hctx_x_calc =
-                                tfrc_calc_x(hctx->ccid3hctx_s,
-                                            hctx->ccid3hctx_rtt,
-                                            hctx->ccid3hctx_p);
+        if (hctx->tx_p > 0)
+                hctx->tx_x_calc = tfrc_calc_x(hctx->tx_s, hctx->tx_rtt, hctx->tx_p);
         ccid3_hc_tx_update_x(sk, &now);
 
 done_computing_x:
         ccid3_pr_debug("%s(%p), RTT=%uus (sample=%uus), s=%u, "
                                "p=%u, X_calc=%u, X_recv=%u, X=%u\n",
-                               dccp_role(sk),
-                               sk, hctx->ccid3hctx_rtt, r_sample,
-                               hctx->ccid3hctx_s, hctx->ccid3hctx_p,
-                               hctx->ccid3hctx_x_calc,
-                               (unsigned)(hctx->ccid3hctx_x_recv >> 6),
-                               (unsigned)(hctx->ccid3hctx_x >> 6));
+                               dccp_role(sk), sk, hctx->tx_rtt, r_sample,
+                               hctx->tx_s, hctx->tx_p, hctx->tx_x_calc,
+                               (unsigned)(hctx->tx_x_recv >> 6),
+                               (unsigned)(hctx->tx_x >> 6));
 
         /* unschedule no feedback timer */
-        sk_stop_timer(sk, &hctx->ccid3hctx_no_feedback_timer);
+        sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
 
         /*
          * As we have calculated new ipi, delta, t_nom it is possible
@@ -486,21 +467,19 @@ done_computing_x:
          * This can help avoid triggering the nofeedback timer too
          * often ('spinning') on LANs with small RTTs.
          */
-        hctx->ccid3hctx_t_rto = max_t(u32, 4 * hctx->ccid3hctx_rtt,
-                                           (CONFIG_IP_DCCP_CCID3_RTO *
-                                            (USEC_PER_SEC / 1000)));
+        hctx->tx_t_rto = max_t(u32, 4 * hctx->tx_rtt, (CONFIG_IP_DCCP_CCID3_RTO *
+                                                       (USEC_PER_SEC / 1000)));
         /*
          * Schedule no feedback timer to expire in
          * max(t_RTO, 2 * s/X)  =  max(t_RTO, 2 * t_ipi)
          */
-        t_nfb = max(hctx->ccid3hctx_t_rto, 2 * hctx->ccid3hctx_t_ipi);
+        t_nfb = max(hctx->tx_t_rto, 2 * hctx->tx_t_ipi);
 
         ccid3_pr_debug("%s(%p), Scheduled no feedback timer to "
                        "expire in %lu jiffies (%luus)\n",
-                       dccp_role(sk),
-                       sk, usecs_to_jiffies(t_nfb), t_nfb);
+                       dccp_role(sk), sk, usecs_to_jiffies(t_nfb), t_nfb);
 
-        sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
+        sk_reset_timer(sk, &hctx->tx_no_feedback_timer,
                            jiffies + usecs_to_jiffies(t_nfb));
 }
 
@@ -514,7 +493,7 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
         struct ccid3_options_received *opt_recv;
         __be32 opt_val;
 
-        opt_recv = &hctx->ccid3hctx_options_received;
+        opt_recv = &hctx->tx_options_received;
 
         if (opt_recv->ccid3or_seqno != dp->dccps_gsr) {
                 opt_recv->ccid3or_seqno              = dp->dccps_gsr;
@@ -570,11 +549,10 @@ static int ccid3_hc_tx_init(struct ccid *ccid, struct sock *sk)
 {
         struct ccid3_hc_tx_sock *hctx = ccid_priv(ccid);
 
-        hctx->ccid3hctx_state = TFRC_SSTATE_NO_SENT;
-        hctx->ccid3hctx_hist = NULL;
-        setup_timer(&hctx->ccid3hctx_no_feedback_timer,
+        hctx->tx_state = TFRC_SSTATE_NO_SENT;
+        hctx->tx_hist  = NULL;
+        setup_timer(&hctx->tx_no_feedback_timer,
                         ccid3_hc_tx_no_feedback_timer, (unsigned long)sk);
-
         return 0;
 }
 
@@ -583,9 +561,9 @@ static void ccid3_hc_tx_exit(struct sock *sk)
         struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
 
         ccid3_hc_tx_set_state(sk, TFRC_SSTATE_TERM);
-        sk_stop_timer(sk, &hctx->ccid3hctx_no_feedback_timer);
+        sk_stop_timer(sk, &hctx->tx_no_feedback_timer);
 
-        tfrc_tx_hist_purge(&hctx->ccid3hctx_hist);
+        tfrc_tx_hist_purge(&hctx->tx_hist);
 }
 
 static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
@@ -597,8 +575,8 @@ static void ccid3_hc_tx_get_info(struct sock *sk, struct tcp_info *info)
                 return;
 
         hctx = ccid3_hc_tx_sk(sk);
-        info->tcpi_rto = hctx->ccid3hctx_t_rto;
-        info->tcpi_rtt = hctx->ccid3hctx_rtt;
+        info->tcpi_rto = hctx->tx_t_rto;
+        info->tcpi_rtt = hctx->tx_rtt;
 }
 
 static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
@@ -614,10 +592,10 @@ static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
         hctx = ccid3_hc_tx_sk(sk);
         switch (optname) {
         case DCCP_SOCKOPT_CCID_TX_INFO:
-                if (len < sizeof(hctx->ccid3hctx_tfrc))
+                if (len < sizeof(hctx->tx_tfrc))
                         return -EINVAL;
-                len = sizeof(hctx->ccid3hctx_tfrc);
-                val = &hctx->ccid3hctx_tfrc;
+                len = sizeof(hctx->tx_tfrc);
+                val = &hctx->tx_tfrc;
                 break;
         default:
                 return -ENOPROTOOPT;
@@ -658,13 +636,13 @@ static void ccid3_hc_rx_set_state(struct sock *sk,
                                   enum ccid3_hc_rx_states state)
 {
         struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
-        enum ccid3_hc_rx_states oldstate = hcrx->ccid3hcrx_state;
+        enum ccid3_hc_rx_states oldstate = hcrx->rx_state;
 
         ccid3_pr_debug("%s(%p) %-8.8s -> %s\n",
                        dccp_role(sk), sk, ccid3_rx_state_name(oldstate),
                        ccid3_rx_state_name(state));
         WARN_ON(state == oldstate);
-        hcrx->ccid3hcrx_state = state;
+        hcrx->rx_state = state;
 }
 
 static void ccid3_hc_rx_send_feedback(struct sock *sk,
@@ -676,15 +654,15 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
         ktime_t now;
         s64 delta = 0;
 
-        if (unlikely(hcrx->ccid3hcrx_state == TFRC_RSTATE_TERM))
+        if (unlikely(hcrx->rx_state == TFRC_RSTATE_TERM))
                 return;
 
         now = ktime_get_real();
 
         switch (fbtype) {
         case CCID3_FBACK_INITIAL:
-                hcrx->ccid3hcrx_x_recv = 0;
-                hcrx->ccid3hcrx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
+                hcrx->rx_x_recv = 0;
+                hcrx->rx_pinv   = ~0U;   /* see RFC 4342, 8.5 */
                 break;
         case CCID3_FBACK_PARAM_CHANGE:
                 /*
@@ -697,27 +675,26 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
                  * the number of bytes since last feedback.
                  * This is a safe fallback, since X is bounded above by X_calc.
                  */
-                if (hcrx->ccid3hcrx_x_recv > 0)
+                if (hcrx->rx_x_recv > 0)
                         break;
                 /* fall through */
         case CCID3_FBACK_PERIODIC:
-                delta = ktime_us_delta(now, hcrx->ccid3hcrx_tstamp_last_feedback);
+                delta = ktime_us_delta(now, hcrx->rx_tstamp_last_feedback);
                 if (delta <= 0)
                         DCCP_BUG("delta (%ld) <= 0", (long)delta);
                 else
-                        hcrx->ccid3hcrx_x_recv =
-                                scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);
+                        hcrx->rx_x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
                 break;
         default:
                 return;
         }
 
         ccid3_pr_debug("Interval %ldusec, X_recv=%u, 1/p=%u\n", (long)delta,
-                       hcrx->ccid3hcrx_x_recv, hcrx->ccid3hcrx_pinv);
+                       hcrx->rx_x_recv, hcrx->rx_pinv);
 
-        hcrx->ccid3hcrx_tstamp_last_feedback = now;
-        hcrx->ccid3hcrx_last_counter         = dccp_hdr(skb)->dccph_ccval;
-        hcrx->ccid3hcrx_bytes_recv           = 0;
+        hcrx->rx_tstamp_last_feedback = now;
+        hcrx->rx_last_counter         = dccp_hdr(skb)->dccph_ccval;
+        hcrx->rx_bytes_recv           = 0;
 
         dp->dccps_hc_rx_insert_options = 1;
         dccp_send_ack(sk);
@@ -736,8 +713,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
         if (dccp_packet_without_ack(skb))
                 return 0;
 
-        x_recv = htonl(hcrx->ccid3hcrx_x_recv);
-        pinv   = htonl(hcrx->ccid3hcrx_pinv);
+        x_recv = htonl(hcrx->rx_x_recv);
+        pinv   = htonl(hcrx->rx_pinv);
 
         if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
                                &pinv, sizeof(pinv)) ||
@@ -764,22 +741,22 @@ static u32 ccid3_first_li(struct sock *sk)
         u32 x_recv, p, delta;
         u64 fval;
 
-        if (hcrx->ccid3hcrx_rtt == 0) {
+        if (hcrx->rx_rtt == 0) {
                 DCCP_WARN("No RTT estimate available, using fallback RTT\n");
-                hcrx->ccid3hcrx_rtt = DCCP_FALLBACK_RTT;
+                hcrx->rx_rtt = DCCP_FALLBACK_RTT;
         }
 
-        delta = ktime_to_us(net_timedelta(hcrx->ccid3hcrx_tstamp_last_feedback));
-        x_recv = scaled_div32(hcrx->ccid3hcrx_bytes_recv, delta);
+        delta  = ktime_to_us(net_timedelta(hcrx->rx_tstamp_last_feedback));
+        x_recv = scaled_div32(hcrx->rx_bytes_recv, delta);
         if (x_recv == 0) {              /* would also trigger divide-by-zero */
                 DCCP_WARN("X_recv==0\n");
-                if ((x_recv = hcrx->ccid3hcrx_x_recv) == 0) {
+                if ((x_recv = hcrx->rx_x_recv) == 0) {
                         DCCP_BUG("stored value of X_recv is zero");
                         return ~0U;
                 }
         }
 
-        fval = scaled_div(hcrx->ccid3hcrx_s, hcrx->ccid3hcrx_rtt);
+        fval = scaled_div(hcrx->rx_s, hcrx->rx_rtt);
         fval = scaled_div32(fval, x_recv);
         p = tfrc_calc_x_reverse_lookup(fval);
 
@@ -796,14 +773,14 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         const u64 ndp = dccp_sk(sk)->dccps_options_received.dccpor_ndp;
         const bool is_data_packet = dccp_data_packet(skb);
 
-        if (unlikely(hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA)) {
+        if (unlikely(hcrx->rx_state == TFRC_RSTATE_NO_DATA)) {
                 if (is_data_packet) {
                         const u32 payload = skb->len - dccp_hdr(skb)->dccph_doff * 4;
                         do_feedback = CCID3_FBACK_INITIAL;
                         ccid3_hc_rx_set_state(sk, TFRC_RSTATE_DATA);
-                        hcrx->ccid3hcrx_s = payload;
+                        hcrx->rx_s  = payload;
                         /*
-                         * Not necessary to update ccid3hcrx_bytes_recv here,
+                         * Not necessary to update rx_bytes_recv here,
                          * since X_recv = 0 for the first feedback packet (cf.
                          * RFC 3448, 6.3) -- gerrit
                          */
@@ -811,7 +788,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
                 goto update_records;
         }
 
-        if (tfrc_rx_hist_duplicate(&hcrx->ccid3hcrx_hist, skb))
+        if (tfrc_rx_hist_duplicate(&hcrx->rx_hist, skb))
                 return; /* done receiving */
 
         if (is_data_packet) {
@@ -819,20 +796,20 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
                 /*
                  * Update moving-average of s and the sum of received payload bytes
                  */
-                hcrx->ccid3hcrx_s = tfrc_ewma(hcrx->ccid3hcrx_s, payload, 9);
-                hcrx->ccid3hcrx_bytes_recv += payload;
+                hcrx->rx_s = tfrc_ewma(hcrx->rx_s, payload, 9);
+                hcrx->rx_bytes_recv += payload;
         }
 
         /*
          * Perform loss detection and handle pending losses
          */
-        if (tfrc_rx_handle_loss(&hcrx->ccid3hcrx_hist, &hcrx->ccid3hcrx_li_hist,
+        if (tfrc_rx_handle_loss(&hcrx->rx_hist, &hcrx->rx_li_hist,
                                 skb, ndp, ccid3_first_li, sk)) {
                 do_feedback = CCID3_FBACK_PARAM_CHANGE;
                 goto done_receiving;
         }
 
-        if (tfrc_rx_hist_loss_pending(&hcrx->ccid3hcrx_hist))
+        if (tfrc_rx_hist_loss_pending(&hcrx->rx_hist))
                 return; /* done receiving */
 
         /*
@@ -841,17 +818,17 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         if (unlikely(!is_data_packet))
                 goto update_records;
 
-        if (!tfrc_lh_is_initialised(&hcrx->ccid3hcrx_li_hist)) {
-                const u32 sample = tfrc_rx_hist_sample_rtt(&hcrx->ccid3hcrx_hist, skb);
+        if (!tfrc_lh_is_initialised(&hcrx->rx_li_hist)) {
+                const u32 sample = tfrc_rx_hist_sample_rtt(&hcrx->rx_hist, skb);
                 /*
                  * Empty loss history: no loss so far, hence p stays 0.
                  * Sample RTT values, since an RTT estimate is required for the
                  * computation of p when the first loss occurs; RFC 3448, 6.3.1.
                  */
                 if (sample != 0)
-                        hcrx->ccid3hcrx_rtt = tfrc_ewma(hcrx->ccid3hcrx_rtt, sample, 9);
+                        hcrx->rx_rtt = tfrc_ewma(hcrx->rx_rtt, sample, 9);
 
-        } else if (tfrc_lh_update_i_mean(&hcrx->ccid3hcrx_li_hist, skb)) {
+        } else if (tfrc_lh_update_i_mean(&hcrx->rx_li_hist, skb)) {
                 /*
                  * Step (3) of [RFC 3448, 6.1]: Recompute I_mean and, if I_mean
                  * has decreased (resp. p has increased), send feedback now.
@@ -862,11 +839,11 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         /*
          * Check if the periodic once-per-RTT feedback is due; RFC 4342, 10.3
          */
-        if (SUB16(dccp_hdr(skb)->dccph_ccval, hcrx->ccid3hcrx_last_counter) > 3)
+        if (SUB16(dccp_hdr(skb)->dccph_ccval, hcrx->rx_last_counter) > 3)
                 do_feedback = CCID3_FBACK_PERIODIC;
 
 update_records:
-        tfrc_rx_hist_add_packet(&hcrx->ccid3hcrx_hist, skb, ndp);
+        tfrc_rx_hist_add_packet(&hcrx->rx_hist, skb, ndp);
 
 done_receiving:
         if (do_feedback)
@@ -877,9 +854,9 @@ static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk)
 {
         struct ccid3_hc_rx_sock *hcrx = ccid_priv(ccid);
 
-        hcrx->ccid3hcrx_state = TFRC_RSTATE_NO_DATA;
-        tfrc_lh_init(&hcrx->ccid3hcrx_li_hist);
-        return tfrc_rx_hist_alloc(&hcrx->ccid3hcrx_hist);
+        hcrx->rx_state = TFRC_RSTATE_NO_DATA;
+        tfrc_lh_init(&hcrx->rx_li_hist);
+        return tfrc_rx_hist_alloc(&hcrx->rx_hist);
 }
 
 static void ccid3_hc_rx_exit(struct sock *sk)
@@ -888,8 +865,8 @@ static void ccid3_hc_rx_exit(struct sock *sk)
 
         ccid3_hc_rx_set_state(sk, TFRC_RSTATE_TERM);
 
-        tfrc_rx_hist_purge(&hcrx->ccid3hcrx_hist);
-        tfrc_lh_cleanup(&hcrx->ccid3hcrx_li_hist);
+        tfrc_rx_hist_purge(&hcrx->rx_hist);
+        tfrc_lh_cleanup(&hcrx->rx_li_hist);
 }
 
 static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
@@ -901,9 +878,9 @@ static void ccid3_hc_rx_get_info(struct sock *sk, struct tcp_info *info)
                 return;
 
         hcrx = ccid3_hc_rx_sk(sk);
-        info->tcpi_ca_state = hcrx->ccid3hcrx_state;
+        info->tcpi_ca_state = hcrx->rx_state;
         info->tcpi_options  |= TCPI_OPT_TIMESTAMPS;
-        info->tcpi_rcv_rtt  = hcrx->ccid3hcrx_rtt;
+        info->tcpi_rcv_rtt  = hcrx->rx_rtt;
 }
 
 static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
@@ -922,10 +899,10 @@ static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len,
         case DCCP_SOCKOPT_CCID_RX_INFO:
                 if (len < sizeof(rx_info))
                         return -EINVAL;
-                rx_info.tfrcrx_x_recv = hcrx->ccid3hcrx_x_recv;
-                rx_info.tfrcrx_rtt    = hcrx->ccid3hcrx_rtt;
-                rx_info.tfrcrx_p      = hcrx->ccid3hcrx_pinv == 0 ? ~0U :
-                                           scaled_div(1, hcrx->ccid3hcrx_pinv);
+                rx_info.tfrcrx_x_recv = hcrx->rx_x_recv;
+                rx_info.tfrcrx_rtt    = hcrx->rx_rtt;
+                rx_info.tfrcrx_p      = hcrx->rx_pinv == 0 ? ~0U :
+                                           scaled_div(1, hcrx->rx_pinv);
                 len = sizeof(rx_info);
                 val = &rx_info;
                 break;
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index e5a244143846..032635776653 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -75,44 +75,44 @@ enum ccid3_hc_tx_states {
 
 /**
  * struct ccid3_hc_tx_sock - CCID3 sender half-connection socket
- * @ccid3hctx_x - Current sending rate in 64 * bytes per second
- * @ccid3hctx_x_recv - Receive rate    in 64 * bytes per second
- * @ccid3hctx_x_calc - Calculated rate in bytes per second
- * @ccid3hctx_rtt - Estimate of current round trip time in usecs
- * @ccid3hctx_p - Current loss event rate (0-1) scaled by 1000000
- * @ccid3hctx_s - Packet size in bytes
- * @ccid3hctx_t_rto - Nofeedback Timer setting in usecs
- * @ccid3hctx_t_ipi - Interpacket (send) interval (RFC 3448, 4.6) in usecs
- * @ccid3hctx_state - Sender state, one of %ccid3_hc_tx_states
- * @ccid3hctx_last_win_count - Last window counter sent
- * @ccid3hctx_t_last_win_count - Timestamp of earliest packet
- *                               with last_win_count value sent
- * @ccid3hctx_no_feedback_timer - Handle to no feedback timer
- * @ccid3hctx_t_ld - Time last doubled during slow start
- * @ccid3hctx_t_nom - Nominal send time of next packet
- * @ccid3hctx_delta - Send timer delta (RFC 3448, 4.6) in usecs
- * @ccid3hctx_hist - Packet history
- * @ccid3hctx_options_received - Parsed set of retrieved options
+ * @tx_x:                 Current sending rate in 64 * bytes per second
+ * @tx_x_recv:            Receive rate in 64 * bytes per second
+ * @tx_x_calc:            Calculated rate in bytes per second
+ * @tx_rtt:               Estimate of current round trip time in usecs
+ * @tx_p:                 Current loss event rate (0-1) scaled by 1000000
+ * @tx_s:                 Packet size in bytes
+ * @tx_t_rto:             Nofeedback Timer setting in usecs
+ * @tx_t_ipi:             Interpacket (send) interval (RFC 3448, 4.6) in usecs
+ * @tx_state:             Sender state, one of %ccid3_hc_tx_states
+ * @tx_last_win_count:    Last window counter sent
+ * @tx_t_last_win_count:  Timestamp of earliest packet
+ *                        with last_win_count value sent
+ * @tx_no_feedback_timer: Handle to no feedback timer
+ * @tx_t_ld:              Time last doubled during slow start
+ * @tx_t_nom:             Nominal send time of next packet
+ * @tx_delta:             Send timer delta (RFC 3448, 4.6) in usecs
+ * @tx_hist:              Packet history
+ * @tx_options_received:  Parsed set of retrieved options
  */
 struct ccid3_hc_tx_sock {
-        struct tfrc_tx_info             ccid3hctx_tfrc;
-#define ccid3hctx_x                     ccid3hctx_tfrc.tfrctx_x
-#define ccid3hctx_x_recv                ccid3hctx_tfrc.tfrctx_x_recv
-#define ccid3hctx_x_calc                ccid3hctx_tfrc.tfrctx_x_calc
-#define ccid3hctx_rtt                   ccid3hctx_tfrc.tfrctx_rtt
-#define ccid3hctx_p                     ccid3hctx_tfrc.tfrctx_p
-#define ccid3hctx_t_rto                 ccid3hctx_tfrc.tfrctx_rto
-#define ccid3hctx_t_ipi                 ccid3hctx_tfrc.tfrctx_ipi
-        u16                             ccid3hctx_s;
-        enum ccid3_hc_tx_states         ccid3hctx_state:8;
-        u8                              ccid3hctx_last_win_count;
-        ktime_t                         ccid3hctx_t_last_win_count;
-        struct timer_list               ccid3hctx_no_feedback_timer;
-        ktime_t                         ccid3hctx_t_ld;
-        ktime_t                         ccid3hctx_t_nom;
-        u32                             ccid3hctx_delta;
-        struct tfrc_tx_hist_entry       *ccid3hctx_hist;
-        struct ccid3_options_received   ccid3hctx_options_received;
+        struct tfrc_tx_info             tx_tfrc;
+#define tx_x                            tx_tfrc.tfrctx_x
+#define tx_x_recv                       tx_tfrc.tfrctx_x_recv
+#define tx_x_calc                       tx_tfrc.tfrctx_x_calc
+#define tx_rtt                          tx_tfrc.tfrctx_rtt
+#define tx_p                            tx_tfrc.tfrctx_p
+#define tx_t_rto                        tx_tfrc.tfrctx_rto
+#define tx_t_ipi                        tx_tfrc.tfrctx_ipi
+        u16                             tx_s;
+        enum ccid3_hc_tx_states         tx_state:8;
+        u8                              tx_last_win_count;
+        ktime_t                         tx_t_last_win_count;
+        struct timer_list               tx_no_feedback_timer;
+        ktime_t                         tx_t_ld;
+        ktime_t                         tx_t_nom;
+        u32                             tx_delta;
+        struct tfrc_tx_hist_entry       *tx_hist;
+        struct ccid3_options_received   tx_options_received;
 };
 
 static inline struct ccid3_hc_tx_sock *ccid3_hc_tx_sk(const struct sock *sk)
@@ -131,32 +131,32 @@ enum ccid3_hc_rx_states {
 
 /**
  * struct ccid3_hc_rx_sock - CCID3 receiver half-connection socket
- * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448 4.3)
- * @ccid3hcrx_rtt  -  Receiver estimate of rtt (non-standard)
- * @ccid3hcrx_p  -  Current loss event rate (RFC 3448 5.4)
- * @ccid3hcrx_last_counter  -  Tracks window counter (RFC 4342, 8.1)
- * @ccid3hcrx_state  -  Receiver state, one of %ccid3_hc_rx_states
- * @ccid3hcrx_bytes_recv  -  Total sum of DCCP payload bytes
- * @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448, sec. 4.3)
- * @ccid3hcrx_rtt  -  Receiver estimate of RTT
- * @ccid3hcrx_tstamp_last_feedback  -  Time at which last feedback was sent
- * @ccid3hcrx_tstamp_last_ack  -  Time at which last feedback was sent
- * @ccid3hcrx_hist  -  Packet history (loss detection + RTT sampling)
- * @ccid3hcrx_li_hist  -  Loss Interval database
- * @ccid3hcrx_s  -  Received packet size in bytes
- * @ccid3hcrx_pinv  -  Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
+ * @rx_x_recv:               Receiver estimate of send rate (RFC 3448 4.3)
+ * @rx_rtt:                  Receiver estimate of rtt (non-standard)
+ * @rx_p:                    Current loss event rate (RFC 3448 5.4)
+ * @rx_last_counter:         Tracks window counter (RFC 4342, 8.1)
+ * @rx_state:                Receiver state, one of %ccid3_hc_rx_states
+ * @rx_bytes_recv:           Total sum of DCCP payload bytes
+ * @rx_x_recv:               Receiver estimate of send rate (RFC 3448, sec. 4.3)
+ * @rx_rtt:                  Receiver estimate of RTT
+ * @rx_tstamp_last_feedback: Time at which last feedback was sent
+ * @rx_tstamp_last_ack:      Time at which last feedback was sent
+ * @rx_hist:                 Packet history (loss detection + RTT sampling)
+ * @rx_li_hist:              Loss Interval database
+ * @rx_s:                    Received packet size in bytes
+ * @rx_pinv:                 Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
  */
 struct ccid3_hc_rx_sock {
-        u8                              ccid3hcrx_last_counter:4;
-        enum ccid3_hc_rx_states         ccid3hcrx_state:8;
-        u32                             ccid3hcrx_bytes_recv;
-        u32                             ccid3hcrx_x_recv;
-        u32                             ccid3hcrx_rtt;
-        ktime_t                         ccid3hcrx_tstamp_last_feedback;
-        struct tfrc_rx_hist             ccid3hcrx_hist;
-        struct tfrc_loss_hist           ccid3hcrx_li_hist;
-        u16                             ccid3hcrx_s;
-#define ccid3hcrx_pinv                  ccid3hcrx_li_hist.i_mean
+        u8                              rx_last_counter:4;
+        enum ccid3_hc_rx_states         rx_state:8;
+        u32                             rx_bytes_recv;
+        u32                             rx_x_recv;
+        u32                             rx_rtt;
+        ktime_t                         rx_tstamp_last_feedback;
+        struct tfrc_rx_hist             rx_hist;
+        struct tfrc_loss_hist           rx_li_hist;
+        u16                             rx_s;
+#define rx_pinv                         rx_li_hist.i_mean
 };
 
 static inline struct ccid3_hc_rx_sock *ccid3_hc_rx_sk(const struct sock *sk)