]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
linux/dim: Remove "net" prefix from internal DIM members
authorTal Gilboa <talgi@mellanox.com>
Mon, 5 Nov 2018 09:57:10 +0000 (11:57 +0200)
committerSaeed Mahameed <saeedm@mellanox.com>
Tue, 25 Jun 2019 20:46:38 +0000 (13:46 -0700)
Only renaming functions and structs which aren't used by an external code.

Signed-off-by: Tal Gilboa <talgi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
include/linux/dim.h
include/linux/net_dim.h

index 67d7ca40f3dd0f53309f571ad1fa27f90a2d4a47..6ee991681d62a42359beab0df21842b5821efac6 100644 (file)
@@ -6,7 +6,7 @@
 
 #include <linux/module.h>
 
-#define NET_DIM_NEVENTS 64
+#define DIM_NEVENTS 64
 
 /* more than 10% difference */
 #define IS_SIGNIFICANT_DIFF(val, ref) \
@@ -27,7 +27,7 @@ struct net_dim_sample {
        u16 event_ctr;
 };
 
-struct net_dim_stats {
+struct dim_stats {
        int ppms; /* packets per msec */
        int bpms; /* bytes per msec */
        int epms; /* events per msec */
@@ -35,7 +35,7 @@ struct net_dim_stats {
 
 struct net_dim { /* Dynamic Interrupt Moderation */
        u8 state;
-       struct net_dim_stats prev_stats;
+       struct dim_stats prev_stats;
        struct net_dim_sample start_sample;
        struct work_struct work;
        u8 profile_ix;
@@ -59,67 +59,67 @@ enum {
 };
 
 enum {
-       NET_DIM_PARKING_ON_TOP,
-       NET_DIM_PARKING_TIRED,
-       NET_DIM_GOING_RIGHT,
-       NET_DIM_GOING_LEFT,
+       DIM_PARKING_ON_TOP,
+       DIM_PARKING_TIRED,
+       DIM_GOING_RIGHT,
+       DIM_GOING_LEFT,
 };
 
 enum {
-       NET_DIM_STATS_WORSE,
-       NET_DIM_STATS_SAME,
-       NET_DIM_STATS_BETTER,
+       DIM_STATS_WORSE,
+       DIM_STATS_SAME,
+       DIM_STATS_BETTER,
 };
 
 enum {
-       NET_DIM_STEPPED,
-       NET_DIM_TOO_TIRED,
-       NET_DIM_ON_EDGE,
+       DIM_STEPPED,
+       DIM_TOO_TIRED,
+       DIM_ON_EDGE,
 };
 
-static inline bool net_dim_on_top(struct net_dim *net_dim)
+static inline bool dim_on_top(struct net_dim *dim)
 {
-       switch (net_dim->tune_state) {
-       case NET_DIM_PARKING_ON_TOP:
-       case NET_DIM_PARKING_TIRED:
+       switch (dim->tune_state) {
+       case DIM_PARKING_ON_TOP:
+       case DIM_PARKING_TIRED:
                return true;
-       case NET_DIM_GOING_RIGHT:
-               return (net_dim->steps_left > 1) && (net_dim->steps_right == 1);
-       default: /* NET_DIM_GOING_LEFT */
-               return (net_dim->steps_right > 1) && (net_dim->steps_left == 1);
+       case DIM_GOING_RIGHT:
+               return (dim->steps_left > 1) && (dim->steps_right == 1);
+       default: /* DIM_GOING_LEFT */
+               return (dim->steps_right > 1) && (dim->steps_left == 1);
        }
 }
 
-static inline void net_dim_turn(struct net_dim *net_dim)
+static inline void dim_turn(struct net_dim *dim)
 {
-       switch (net_dim->tune_state) {
-       case NET_DIM_PARKING_ON_TOP:
-       case NET_DIM_PARKING_TIRED:
+       switch (dim->tune_state) {
+       case DIM_PARKING_ON_TOP:
+       case DIM_PARKING_TIRED:
                break;
-       case NET_DIM_GOING_RIGHT:
-               net_dim->tune_state = NET_DIM_GOING_LEFT;
-               net_dim->steps_left = 0;
+       case DIM_GOING_RIGHT:
+               dim->tune_state = DIM_GOING_LEFT;
+               dim->steps_left = 0;
                break;
-       case NET_DIM_GOING_LEFT:
-               net_dim->tune_state = NET_DIM_GOING_RIGHT;
-               net_dim->steps_right = 0;
+       case DIM_GOING_LEFT:
+               dim->tune_state = DIM_GOING_RIGHT;
+               dim->steps_right = 0;
                break;
        }
 }
 
-static inline void net_dim_park_on_top(struct net_dim *net_dim)
+static inline void dim_park_on_top(struct net_dim *dim)
 {
-       net_dim->steps_right  = 0;
-       net_dim->steps_left   = 0;
-       net_dim->tired        = 0;
-       net_dim->tune_state   = NET_DIM_PARKING_ON_TOP;
+       dim->steps_right  = 0;
+       dim->steps_left   = 0;
+       dim->tired        = 0;
+       dim->tune_state   = DIM_PARKING_ON_TOP;
 }
 
-static inline void net_dim_park_tired(struct net_dim *net_dim)
+static inline void dim_park_tired(struct net_dim *dim)
 {
-       net_dim->steps_right  = 0;
-       net_dim->steps_left   = 0;
-       net_dim->tune_state   = NET_DIM_PARKING_TIRED;
+       dim->steps_right  = 0;
+       dim->steps_left   = 0;
+       dim->tune_state   = DIM_PARKING_TIRED;
 }
 
 static inline void
@@ -132,8 +132,8 @@ net_dim_sample(u16 event_ctr, u64 packets, u64 bytes, struct net_dim_sample *s)
 }
 
 static inline void
-net_dim_calc_stats(struct net_dim_sample *start, struct net_dim_sample *end,
-                  struct net_dim_stats *curr_stats)
+dim_calc_stats(struct net_dim_sample *start, struct net_dim_sample *end,
+              struct dim_stats *curr_stats)
 {
        /* u32 holds up to 71 minutes, should be enough */
        u32 delta_us = ktime_us_delta(end->time, start->time);
@@ -146,7 +146,7 @@ net_dim_calc_stats(struct net_dim_sample *start, struct net_dim_sample *end,
 
        curr_stats->ppms = DIV_ROUND_UP(npkts * USEC_PER_MSEC, delta_us);
        curr_stats->bpms = DIV_ROUND_UP(nbytes * USEC_PER_MSEC, delta_us);
-       curr_stats->epms = DIV_ROUND_UP(NET_DIM_NEVENTS * USEC_PER_MSEC,
+       curr_stats->epms = DIV_ROUND_UP(DIM_NEVENTS * USEC_PER_MSEC,
                                        delta_us);
 }
 
index 373cda74b16774447473d55b2a8e88f76fe6c241..f89fa4fdfb46f25d3bd86a43543942e4c82d9a0e 100644 (file)
@@ -128,67 +128,67 @@ net_dim_get_def_tx_moderation(u8 cq_period_mode)
 static inline int net_dim_step(struct net_dim *dim)
 {
        if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2))
-               return NET_DIM_TOO_TIRED;
+               return DIM_TOO_TIRED;
 
        switch (dim->tune_state) {
-       case NET_DIM_PARKING_ON_TOP:
-       case NET_DIM_PARKING_TIRED:
+       case DIM_PARKING_ON_TOP:
+       case DIM_PARKING_TIRED:
                break;
-       case NET_DIM_GOING_RIGHT:
+       case DIM_GOING_RIGHT:
                if (dim->profile_ix == (NET_DIM_PARAMS_NUM_PROFILES - 1))
-                       return NET_DIM_ON_EDGE;
+                       return DIM_ON_EDGE;
                dim->profile_ix++;
                dim->steps_right++;
                break;
-       case NET_DIM_GOING_LEFT:
+       case DIM_GOING_LEFT:
                if (dim->profile_ix == 0)
-                       return NET_DIM_ON_EDGE;
+                       return DIM_ON_EDGE;
                dim->profile_ix--;
                dim->steps_left++;
                break;
        }
 
        dim->tired++;
-       return NET_DIM_STEPPED;
+       return DIM_STEPPED;
 }
 
 static inline void net_dim_exit_parking(struct net_dim *dim)
 {
-       dim->tune_state = dim->profile_ix ? NET_DIM_GOING_LEFT :
-                                         NET_DIM_GOING_RIGHT;
+       dim->tune_state = dim->profile_ix ? DIM_GOING_LEFT :
+                                         DIM_GOING_RIGHT;
        net_dim_step(dim);
 }
 
-static inline int net_dim_stats_compare(struct net_dim_stats *curr,
-                                       struct net_dim_stats *prev)
+static inline int net_dim_stats_compare(struct dim_stats *curr,
+                                       struct dim_stats *prev)
 {
        if (!prev->bpms)
-               return curr->bpms ? NET_DIM_STATS_BETTER :
-                                   NET_DIM_STATS_SAME;
+               return curr->bpms ? DIM_STATS_BETTER :
+                                   DIM_STATS_SAME;
 
        if (IS_SIGNIFICANT_DIFF(curr->bpms, prev->bpms))
-               return (curr->bpms > prev->bpms) ? NET_DIM_STATS_BETTER :
-                                                  NET_DIM_STATS_WORSE;
+               return (curr->bpms > prev->bpms) ? DIM_STATS_BETTER :
+                                                  DIM_STATS_WORSE;
 
        if (!prev->ppms)
-               return curr->ppms ? NET_DIM_STATS_BETTER :
-                                   NET_DIM_STATS_SAME;
+               return curr->ppms ? DIM_STATS_BETTER :
+                                   DIM_STATS_SAME;
 
        if (IS_SIGNIFICANT_DIFF(curr->ppms, prev->ppms))
-               return (curr->ppms > prev->ppms) ? NET_DIM_STATS_BETTER :
-                                                  NET_DIM_STATS_WORSE;
+               return (curr->ppms > prev->ppms) ? DIM_STATS_BETTER :
+                                                  DIM_STATS_WORSE;
 
        if (!prev->epms)
-               return NET_DIM_STATS_SAME;
+               return DIM_STATS_SAME;
 
        if (IS_SIGNIFICANT_DIFF(curr->epms, prev->epms))
-               return (curr->epms < prev->epms) ? NET_DIM_STATS_BETTER :
-                                                  NET_DIM_STATS_WORSE;
+               return (curr->epms < prev->epms) ? DIM_STATS_BETTER :
+                                                  DIM_STATS_WORSE;
 
-       return NET_DIM_STATS_SAME;
+       return DIM_STATS_SAME;
 }
 
-static inline bool net_dim_decision(struct net_dim_stats *curr_stats,
+static inline bool net_dim_decision(struct dim_stats *curr_stats,
                                    struct net_dim *dim)
 {
        int prev_state = dim->tune_state;
@@ -197,44 +197,44 @@ static inline bool net_dim_decision(struct net_dim_stats *curr_stats,
        int step_res;
 
        switch (dim->tune_state) {
-       case NET_DIM_PARKING_ON_TOP:
+       case DIM_PARKING_ON_TOP:
                stats_res = net_dim_stats_compare(curr_stats, &dim->prev_stats);
-               if (stats_res != NET_DIM_STATS_SAME)
+               if (stats_res != DIM_STATS_SAME)
                        net_dim_exit_parking(dim);
                break;
 
-       case NET_DIM_PARKING_TIRED:
+       case DIM_PARKING_TIRED:
                dim->tired--;
                if (!dim->tired)
                        net_dim_exit_parking(dim);
                break;
 
-       case NET_DIM_GOING_RIGHT:
-       case NET_DIM_GOING_LEFT:
+       case DIM_GOING_RIGHT:
+       case DIM_GOING_LEFT:
                stats_res = net_dim_stats_compare(curr_stats, &dim->prev_stats);
-               if (stats_res != NET_DIM_STATS_BETTER)
-                       net_dim_turn(dim);
+               if (stats_res != DIM_STATS_BETTER)
+                       dim_turn(dim);
 
-               if (net_dim_on_top(dim)) {
-                       net_dim_park_on_top(dim);
+               if (dim_on_top(dim)) {
+                       dim_park_on_top(dim);
                        break;
                }
 
                step_res = net_dim_step(dim);
                switch (step_res) {
-               case NET_DIM_ON_EDGE:
-                       net_dim_park_on_top(dim);
+               case DIM_ON_EDGE:
+                       dim_park_on_top(dim);
                        break;
-               case NET_DIM_TOO_TIRED:
-                       net_dim_park_tired(dim);
+               case DIM_TOO_TIRED:
+                       dim_park_tired(dim);
                        break;
                }
 
                break;
        }
 
-       if ((prev_state      != NET_DIM_PARKING_ON_TOP) ||
-           (dim->tune_state != NET_DIM_PARKING_ON_TOP))
+       if (prev_state != DIM_PARKING_ON_TOP ||
+           dim->tune_state != DIM_PARKING_ON_TOP)
                dim->prev_stats = *curr_stats;
 
        return dim->profile_ix != prev_ix;
@@ -243,7 +243,7 @@ static inline bool net_dim_decision(struct net_dim_stats *curr_stats,
 static inline void net_dim(struct net_dim *dim,
                           struct net_dim_sample end_sample)
 {
-       struct net_dim_stats curr_stats;
+       struct dim_stats curr_stats;
        u16 nevents;
 
        switch (dim->state) {
@@ -251,10 +251,9 @@ static inline void net_dim(struct net_dim *dim,
                nevents = BIT_GAP(BITS_PER_TYPE(u16),
                                  end_sample.event_ctr,
                                  dim->start_sample.event_ctr);
-               if (nevents < NET_DIM_NEVENTS)
+               if (nevents < DIM_NEVENTS)
                        break;
-               net_dim_calc_stats(&dim->start_sample, &end_sample,
-                                  &curr_stats);
+               dim_calc_stats(&dim->start_sample, &end_sample, &curr_stats);
                if (net_dim_decision(&curr_stats, dim)) {
                        dim->state = NET_DIM_APPLY_NEW_PROFILE;
                        schedule_work(&dim->work);