1 /******************************************************************************
3 Copyright (c) 2001-2010, Intel Corporation
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
32 ******************************************************************************/
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #if __FreeBSD_version >= 800000
43 #include <sys/buf_ring.h>
46 #include <sys/protosw.h>
47 #include <sys/socket.h>
48 #include <sys/malloc.h>
49 #include <sys/kernel.h>
50 #include <sys/module.h>
51 #include <sys/sockio.h>
54 #include <net/if_arp.h>
56 #include <net/ethernet.h>
57 #include <net/if_dl.h>
58 #include <net/if_media.h>
61 #include <net/if_types.h>
62 #include <net/if_vlan_var.h>
64 #include <netinet/in_systm.h>
65 #include <netinet/in.h>
66 #include <netinet/if_ether.h>
67 #include <netinet/ip.h>
68 #include <netinet/ip6.h>
69 #include <netinet/tcp.h>
70 #include <netinet/tcp_lro.h>
71 #include <netinet/udp.h>
73 #include <machine/in_cksum.h>
76 #include <machine/bus.h>
78 #include <machine/resource.h>
81 #include <machine/clock.h>
82 #include <dev/pci/pcivar.h>
83 #include <dev/pci/pcireg.h>
85 #include <sys/sysctl.h>
86 #include <sys/endian.h>
87 #include <sys/taskqueue.h>
90 #include <machine/smp.h>
93 #include <sys/ieee1588.h>
96 #include "ixgbe_api.h"
101 * TxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
102 * number of transmit descriptors allocated by the driver. Increasing this
103 * value allows the driver to queue more transmits. Each descriptor is 16
104 * bytes. Performance tests have show the 2K value to be optimal for top
107 #define DEFAULT_TXD 1024
108 #define PERFORM_TXD 2048
113 * RxDescriptors Valid Range: 64-4096 Default Value: 256 This value is the
114 * number of receive descriptors allocated for each RX queue. Increasing this
115 * value allows the driver to buffer more incoming packets. Each descriptor
116 * is 16 bytes. A receive buffer is also allocated for each descriptor.
118 * Note: with 8 rings and a dual port card, it is possible to bump up
119 * against the system mbuf pool limit, you can tune nmbclusters
120 * to adjust for this.
122 #define DEFAULT_RXD 1024
123 #define PERFORM_RXD 2048
127 /* Alignment for rings */
128 #define DBA_ALIGN 128
131 * This parameter controls the maximum no of times the driver will loop in
132 * the isr. Minimum Value = 1
137 * This is the max watchdog interval, ie. the time that can
138 * pass between any two TX clean operations, such only happening
139 * when the TX hardware is functioning.
141 #define IXGBE_WATCHDOG (10 * hz)
144 * This parameters control when the driver calls the routine to reclaim
145 * transmit descriptors.
147 #define IXGBE_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8)
148 #define IXGBE_TX_OP_THRESHOLD (adapter->num_tx_desc / 32)
150 #define IXGBE_MAX_FRAME_SIZE 0x3F00
152 /* Flow control constants */
153 #define IXGBE_FC_PAUSE 0xFFFF
154 #define IXGBE_FC_HI 0x20000
155 #define IXGBE_FC_LO 0x10000
157 /* Defines for printing debug information */
159 #define DEBUG_IOCTL 0
162 #define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
163 #define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
164 #define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
165 #define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
166 #define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
167 #define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
168 #define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
169 #define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
170 #define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
172 #define MAX_NUM_MULTICAST_ADDRESSES 128
173 #define IXGBE_82598_SCATTER 100
174 #define IXGBE_82599_SCATTER 32
175 #define MSIX_82598_BAR 3
176 #define MSIX_82599_BAR 4
177 #define IXGBE_TSO_SIZE 65535
178 #define IXGBE_TX_BUFFER_SIZE ((u32) 1514)
179 #define IXGBE_RX_HDR 128
180 #define IXGBE_VFTA_SIZE 128
181 #define IXGBE_BR_SIZE 4096
183 /* Offload bits in mbuf flag */
184 #if __FreeBSD_version >= 800000
185 #define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP|CSUM_SCTP)
187 #define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP)
190 /* For 6.X code compatibility */
191 #if !defined(ETHER_BPF_MTAP)
192 #define ETHER_BPF_MTAP BPF_MTAP
195 #if __FreeBSD_version < 700000
201 * Interrupt Moderation parameters
203 #define IXGBE_LOW_LATENCY 128
204 #define IXGBE_AVE_LATENCY 400
205 #define IXGBE_BULK_LATENCY 1200
206 #define IXGBE_LINK_ITR 2000
208 /* Header split args for get_bug */
209 #define IXGBE_CLEAN_HDR 1
210 #define IXGBE_CLEAN_PKT 2
211 #define IXGBE_CLEAN_ALL 3
214 *****************************************************************************
217 * This array contains the list of Subvendor/Subdevice IDs on which the driver
220 *****************************************************************************
222 typedef struct _ixgbe_vendor_info_t {
223 unsigned int vendor_id;
224 unsigned int device_id;
225 unsigned int subvendor_id;
226 unsigned int subdevice_id;
228 } ixgbe_vendor_info_t;
231 struct ixgbe_tx_buf {
237 struct ixgbe_rx_buf {
246 * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free.
248 struct ixgbe_dma_alloc {
249 bus_addr_t dma_paddr;
251 bus_dma_tag_t dma_tag;
252 bus_dmamap_t dma_map;
253 bus_dma_segment_t dma_seg;
259 ** Driver queue struct: this is the interrupt container
260 ** for the associated tx and rx ring.
263 struct adapter *adapter;
264 u32 msix; /* This queue's MSIX vector */
265 u32 eims; /* This queue's EIMS bit */
267 struct resource *res;
271 struct task que_task;
272 struct taskqueue *tq;
277 * The transmit ring, one per queue
280 struct adapter *adapter;
285 union ixgbe_adv_tx_desc *tx_base;
286 struct ixgbe_dma_alloc txdma;
289 struct ixgbe_tx_buf *tx_buffers;
290 volatile u16 tx_avail;
294 #if __FreeBSD_version >= 800000
301 u32 bytes; /* used for AIM */
310 * The Receive ring, one per rx queue
313 struct adapter *adapter;
316 union ixgbe_adv_rx_desc *rx_base;
317 struct ixgbe_dma_alloc rxdma;
326 struct ixgbe_rx_buf *rx_buffers;
330 u32 bytes; /* Used for AIM calc */
335 u64 rx_split_packets;
345 /* Our adapter structure */
350 struct ixgbe_osdep osdep;
353 struct resource *pci_mem;
354 struct resource *msix_mem;
357 * Interrupt resources: this set is
358 * either used for legacy, or for Link
362 struct resource *res;
364 struct ifmedia media;
365 struct callout timer;
371 eventhandler_tag vlan_attach;
372 eventhandler_tag vlan_detach;
377 /* Info about the board itself */
385 /* Mbuf cluster size */
388 /* Support for pluggable optics */
390 struct task link_task; /* Link tasklet */
391 struct task mod_task; /* SFP tasklet */
392 struct task msf_task; /* Multispeed Fiber */
395 struct task fdir_task;
397 struct taskqueue *tq;
401 ** This is the irq holder, it has
402 ** and RX/TX pair or rings associated
405 struct ix_queue *queues;
409 * Allocated at run time, an array of rings.
411 struct tx_ring *tx_rings;
416 * Allocated at run time, an array of rings.
418 struct rx_ring *rx_rings;
421 u32 rx_process_limit;
423 /* Misc stats maintained by the driver */
424 unsigned long dropped_pkts;
425 unsigned long mbuf_defrag_failed;
426 unsigned long mbuf_header_failed;
427 unsigned long mbuf_packet_failed;
428 unsigned long no_tx_map_avail;
429 unsigned long no_tx_dma_setup;
430 unsigned long watchdog_events;
431 unsigned long tso_tx;
432 unsigned long link_irq;
434 struct ixgbe_hw_stats stats;
437 /* Precision Time Sync (IEEE 1588) defines */
438 #define ETHERTYPE_IEEE1588 0x88F7
439 #define PICOSECS_PER_TICK 20833
440 #define TSYNC_UDP_PORT 319 /* UDP port for the protocol */
441 #define IXGBE_ADVTXD_TSTAMP 0x00080000
444 #define IXGBE_CORE_LOCK_INIT(_sc, _name) \
445 mtx_init(&(_sc)->core_mtx, _name, "IXGBE Core Lock", MTX_DEF)
446 #define IXGBE_CORE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->core_mtx)
447 #define IXGBE_TX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->tx_mtx)
448 #define IXGBE_RX_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->rx_mtx)
449 #define IXGBE_CORE_LOCK(_sc) mtx_lock(&(_sc)->core_mtx)
450 #define IXGBE_TX_LOCK(_sc) mtx_lock(&(_sc)->tx_mtx)
451 #define IXGBE_TX_TRYLOCK(_sc) mtx_trylock(&(_sc)->tx_mtx)
452 #define IXGBE_RX_LOCK(_sc) mtx_lock(&(_sc)->rx_mtx)
453 #define IXGBE_CORE_UNLOCK(_sc) mtx_unlock(&(_sc)->core_mtx)
454 #define IXGBE_TX_UNLOCK(_sc) mtx_unlock(&(_sc)->tx_mtx)
455 #define IXGBE_RX_UNLOCK(_sc) mtx_unlock(&(_sc)->rx_mtx)
456 #define IXGBE_CORE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->core_mtx, MA_OWNED)
457 #define IXGBE_TX_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->tx_mtx, MA_OWNED)
461 ixgbe_is_sfp(struct ixgbe_hw *hw)
463 switch (hw->phy.type) {
464 case ixgbe_phy_sfp_avago:
465 case ixgbe_phy_sfp_ftl:
466 case ixgbe_phy_sfp_intel:
467 case ixgbe_phy_sfp_unknown:
468 case ixgbe_phy_sfp_passive_tyco:
469 case ixgbe_phy_sfp_passive_unknown:
476 #endif /* _IXGBE_H_ */