Thread (18 messages) 18 messages, 2 authors, 2014-03-21

[net-next 01/16] i40e/i40evf: Add EEE LPI stats

flat view
STALE4594d SUPERSEDED: 2 (0M)

From: Jeff Kirsher <hidden>
Date: 2014-03-21 12:10:12
Subsystem: intel ethernet drivers, networking drivers, the rest · Maintainers: Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Revision v1 of 227 in this series; 2 review trailers.

Revisions (227)
  1. v1
  2. v1
  3. v2 [diff vs current]
  4. v1
  5. v1
  6. v1
  7. v2 [diff vs current]
  8. v1
  9. v1
  10. v1
  11. v1
  12. v1
  13. v1
  14. v1
  15. v1
  16. v1
  17. v1
  18. v2 [diff vs current]
  19. v1
  20. v3 [diff vs current]
  21. v1
  22. v1
  23. v1
  24. v2 [diff vs current]
  25. v2 [diff vs current]
  26. v1
  27. v2 [diff vs current]
  28. v1
  29. v2 [diff vs current]
  30. v3 [diff vs current]
  31. v1
  32. v1
  33. v1
  34. v2 [diff vs current]
  35. v1
  36. v1
  37. v1
  38. v2 [diff vs current]
  39. v1
  40. v1
  41. v1
  42. v1
  43. v1
  44. v2 [diff vs current]
  45. v1
  46. v2 [diff vs current]
  47. v1
  48. v1
  49. v1
  50. v1
  51. v1
  52. v1
  53. v1
  54. v1
  55. v1
  56. v1
  57. v1
  58. v1
  59. v1
  60. v1
  61. v1
  62. v1
  63. v1
  64. v1
  65. v1
  66. v1
  67. v1
  68. v2 [diff vs current]
  69. v1
  70. v2 [diff vs current]
  71. v1
  72. v1
  73. v2 [diff vs current]
  74. v1
  75. v1
  76. v1
  77. v2 [diff vs current]
  78. v3 [diff vs current]
  79. v1
  80. v2 [diff vs current]
  81. v1
  82. v1
  83. v1
  84. v1
  85. v1
  86. v1
  87. v1
  88. v1
  89. v1
  90. v1
  91. v1
  92. v1
  93. v1
  94. v1
  95. v1
  96. v1
  97. v1
  98. v1
  99. v1
  100. v1
  101. v1
  102. v2 [diff vs current]
  103. v1
  104. v1
  105. v1
  106. v1
  107. v1
  108. v1
  109. v1
  110. v1
  111. v1
  112. v2 [diff vs current]
  113. v1
  114. v1
  115. v1
  116. v1
  117. v1
  118. v2 [diff vs current]
  119. v1
  120. v1
  121. v1
  122. v1
  123. v1
  124. v2 [diff vs current]
  125. v1
  126. v2 [diff vs current]
  127. v1
  128. v1
  129. v1
  130. v1
  131. v1
  132. v1
  133. v1
  134. v1
  135. v1
  136. v1
  137. v1
  138. v1
  139. v2 [diff vs current]
  140. v1
  141. v1
  142. v2 [diff vs current]
  143. v1
  144. v1
  145. v1
  146. v1
  147. v1
  148. v1
  149. v2 [diff vs current]
  150. v1
  151. v2 [diff vs current]
  152. v2 [diff vs current]
  153. v1
  154. v2 [diff vs current]
  155. v3 [diff vs current]
  156. v1
  157. v4 [diff vs current]
  158. v1
  159. v5 [diff vs current]
  160. v6 [diff vs current]
  161. v7 [diff vs current]
  162. v1
  163. v1
  164. v2 [diff vs current]
  165. v1
  166. v1
  167. v1
  168. v2 [diff vs current]
  169. v1
  170. v1
  171. v1
  172. v1
  173. v1
  174. v2 [diff vs current]
  175. v1
  176. v1
  177. v1
  178. v1
  179. v2 [diff vs current]
  180. v1
  181. v1
  182. v1
  183. v2 [diff vs current]
  184. v3 [diff vs current]
  185. v4 [diff vs current]
  186. v1
  187. v1
  188. v2 [diff vs current]
  189. v5 [diff vs current]
  190. v1
  191. v1
  192. v1
  193. v2 [diff vs current]
  194. v1
  195. v1
  196. v2 [diff vs current]
  197. v3 [diff vs current]
  198. v1
  199. v2 [diff vs current]
  200. v1
  201. v1
  202. v2 [diff vs current]
  203. v1
  204. v2 [diff vs current]
  205. v1
  206. v2 [diff vs current]
  207. v3 [diff vs current]
  208. v1
  209. v1 current
  210. v1
  211. v2 [diff vs current]
  212. v1
  213. v1
  214. v1
  215. v1
  216. v1
  217. v1
  218. v2 [diff vs current]
  219. v1
  220. v1
  221. v1
  222. v1
  223. v2 [diff vs current]
  224. v1
  225. v1
  226. v1
  227. v2 [diff vs current] 
From: Anjali Singhai Jain <redacted>

Add 4 new stats to keep track of EEE LPI (Low Power Idle) state.

Change-ID: Id6316619bb0559789770288b694a54d17f8fac5c
Signed-off-by: Anjali Singhai Jain <redacted>
Acked-by: Shannon Nelson <redacted>
Signed-off-by: Kevin Scott <redacted>
Signed-off-by: Catherine Sullivan <redacted>
Tested-by: Kavindya Deegala <redacted>
Signed-off-by: Jeff Kirsher <redacted>
---
 drivers/net/ethernet/intel/i40e/i40e_ethtool.c |  5 +++++
 drivers/net/ethernet/intel/i40e/i40e_main.c    | 15 +++++++++++++++
 drivers/net/ethernet/intel/i40e/i40e_type.h    |  5 +++++
 drivers/net/ethernet/intel/i40evf/i40e_type.h  |  5 +++++
 4 files changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 6049e63..28da412 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -114,6 +114,11 @@ static struct i40e_stats i40e_gstrings_stats[] = {
 	I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 	I40E_PF_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
 	I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
+	/* LPI stats */
+	I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
+	I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
+	I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
+	I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 };
 
 #define I40E_QUEUE_STATS_LEN(n) \
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 1133542..a1f3369 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -740,6 +740,7 @@ void i40e_update_stats(struct i40e_vsi *vsi)
 	u32 rx_page, rx_buf;
 	u64 rx_p, rx_b;
 	u64 tx_p, tx_b;
+	u32 val;
 	int i;
 	u16 q;
 
@@ -972,6 +973,20 @@ void i40e_update_stats(struct i40e_vsi *vsi)
 		i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port),
 				   pf->stat_offsets_loaded,
 				   &osd->rx_jabber, &nsd->rx_jabber);
+
+		val = rd32(hw, I40E_PRTPM_EEE_STAT);
+		nsd->tx_lpi_status =
+			       (val & I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_MASK) >>
+				I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_SHIFT;
+		nsd->rx_lpi_status =
+			       (val & I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_MASK) >>
+				I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_SHIFT;
+		i40e_stat_update32(hw, I40E_PRTPM_TLPIC,
+				   pf->stat_offsets_loaded,
+				   &osd->tx_lpi_count, &nsd->tx_lpi_count);
+		i40e_stat_update32(hw, I40E_PRTPM_RLPIC,
+				   pf->stat_offsets_loaded,
+				   &osd->rx_lpi_count, &nsd->rx_lpi_count);
 	}
 
 	pf->stat_offsets_loaded = true;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
index 5c902f4..d2f0b95 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
@@ -1014,6 +1014,11 @@ struct i40e_hw_port_stats {
 	u64 tx_size_big;		/* ptc9522 */
 	u64 mac_short_packet_dropped;	/* mspdc */
 	u64 checksum_error;		/* xec */
+	/* EEE LPI */
+	bool tx_lpi_status;
+	bool rx_lpi_status;
+	u64 tx_lpi_count;		/* etlpic */
+	u64 rx_lpi_count;		/* erlpic */
 };
 
 /* Checksum and Shadow RAM pointers */
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h
index 7189d6f..efe73ad 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h
@@ -1020,6 +1020,11 @@ struct i40e_hw_port_stats {
 	u64 tx_size_big;		/* ptc9522 */
 	u64 mac_short_packet_dropped;	/* mspdc */
 	u64 checksum_error;		/* xec */
+	/* EEE LPI */
+	bool tx_lpi_status;
+	bool rx_lpi_status;
+	u64 tx_lpi_count;		/* etlpic */
+	u64 rx_lpi_count;		/* erlpic */
 };
 
 /* Checksum and Shadow RAM pointers */
-- 
1.8.3.1
Other recent patches touching these files
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help