1 /*******************************************************************************
3 Copyright (c) 2006-2013, Myricom Inc.
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. Neither the name of the Myricom Inc, nor the names of its
13 contributors may be used to endorse or promote products derived from
14 this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 POSSIBILITY OF SUCH DAMAGE.
30 ***************************************************************************/
32 #define MXGE_ETH_STOPPED 0
33 #define MXGE_ETH_STOPPING 1
34 #define MXGE_ETH_STARTING 2
35 #define MXGE_ETH_RUNNING 3
36 #define MXGE_ETH_OPEN_FAILED 4
38 #define MXGE_FW_OFFSET 1024*1024
39 #define MXGE_EEPROM_STRINGS_SIZE 256
40 #define MXGE_MAX_SEND_DESC 128
42 #if ((__FreeBSD_version > 800000 && __FreeBSD_version < 800005) \
43 || __FreeBSD_version < 700111)
44 #define MXGE_VIRT_JUMBOS 1
46 #define MXGE_VIRT_JUMBOS 0
49 #if (__FreeBSD_version > 800082)
50 #define IFNET_BUF_RING 1
53 #ifndef VLAN_CAPABILITIES
54 #define VLAN_CAPABILITIES(ifp)
55 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
57 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
60 #ifndef VLAN_TAG_VALUE
61 #define MXGE_NEW_VLAN_API
80 #ifndef IFCAP_TXCSUM_IPV6
81 #define IFCAP_TXCSUM_IPV6 0
84 #ifndef IFCAP_RXCSUM_IPV6
85 #define IFCAP_RXCSUM_IPV6 0
93 #define CSUM_TCP_IPV6 0
97 #define CSUM_UDP_IPV6 0
100 #ifndef CSUM_DELAY_DATA_IPV6
101 #define CSUM_DELAY_DATA_IPV6 0
127 struct mxge_rx_buffer_state {
132 struct mxge_tx_buffer_state {
140 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
141 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
142 struct mxge_rx_buffer_state *info;
144 bus_dmamap_t extra_map;
149 int mask; /* number of rx slots -1 */
156 #ifdef IFNET_BUF_RING
159 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
160 volatile uint32_t *send_go; /* doorbell for sendq */
161 volatile uint32_t *send_stop; /* doorbell for sendq */
162 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
164 bus_dma_segment_t *seg_list;
165 struct mxge_tx_buffer_state *info;
167 int req; /* transmits submitted */
168 int mask; /* number of transmit slots -1 */
169 int done; /* transmits completed */
170 int pkt_done; /* packets completed */
171 int max_desc; /* max descriptors per xmit */
172 int queue_active; /* fw currently polling this queue*/
175 int stall; /* #times hw queue exhausted */
176 int wake; /* #times irq re-enabled xmit */
177 int watchdog_req; /* cache of req */
178 int watchdog_done; /* cache of done */
179 int watchdog_rx_pause; /* cache of pause rq recvd */
185 typedef struct mxge_softc mxge_softc_t;
187 struct mxge_slice_state {
189 mxge_tx_ring_t tx; /* transmit ring */
190 mxge_rx_ring_t rx_small;
191 mxge_rx_ring_t rx_big;
192 mxge_rx_done_t rx_done;
193 mcp_irq_data_t *fw_stats;
194 volatile uint32_t *irq_claim;
202 mxge_dma_t fw_stats_dma;
203 struct sysctl_oid *sysctl_tree;
204 struct sysctl_ctx_list sysctl_ctx;
210 struct mxge_slice_state *ss;
211 int tx_boundary; /* boundary transmits cannot cross*/
213 bus_dma_tag_t parent_dmat;
214 volatile uint8_t *sram;
216 volatile uint32_t *irq_deassert;
217 mcp_cmd_response_t *cmd;
219 mxge_dma_t zeropad_dma;
220 struct pci_dev *pdev;
223 unsigned int rdma_tags_available;
225 volatile uint32_t *intr_coal_delay_ptr;
228 struct mtx driver_mtx;
233 int watchdog_countdown;
235 struct resource *mem_res;
236 struct resource *irq_res;
237 struct resource **msix_irq_res;
238 struct resource *msix_table_res;
239 struct resource *msix_pba_res;
243 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
244 char fw_version[128];
248 int adopted_rx_filter_bug;
250 struct ifmedia media;
254 int fw_multicast_support;
260 int need_media_probe;
267 mxge_dma_t dmabench_dma;
268 struct callout co_hdl;
269 struct taskqueue *tq;
270 struct task watchdog_task;
271 struct sysctl_oid *slice_sysctl_tree;
272 struct sysctl_ctx_list slice_sysctl_ctx;
273 char *mac_addr_string;
274 uint8_t mac_addr[6]; /* eeprom mac address */
275 uint16_t pectl; /* save PCIe CTL state */
276 char product_code_string[64];
277 char serial_number_string[64];
278 char cmd_mtx_name[16];
279 char driver_mtx_name[16];
282 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
283 #define MXGE_PCI_DEVICE_Z8E 0x0008
284 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
285 #define MXGE_PCI_REV_Z8E 0
286 #define MXGE_PCI_REV_Z8ES 1
287 #define MXGE_XFP_COMPLIANCE_BYTE 131
288 #define MXGE_SFP_COMPLIANCE_BYTE 3
289 #define MXGE_MIN_THROTTLE 416
290 #define MXGE_MAX_THROTTLE 4096
292 /* Types of connectors on NICs supported by this driver */
298 #define MXGE_HIGHPART_TO_U32(X) \
299 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
300 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
302 struct mxge_media_type
309 struct mxge_pkt_info {
318 /* implement our own memory barriers, since bus_space_barrier
319 cannot handle write-combining regions */
321 #if __FreeBSD_version < 800053
323 #if defined (__GNUC__)
324 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
325 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
326 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
327 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
328 #elif #cpu(sparc) || defined sparc || defined __sparc__
329 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory")
331 #define wmb() /* XXX just to make this compile */
334 #error "unknown compiler"
340 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
342 register volatile uintptr_t *to;
343 volatile uintptr_t *from;
346 to = (volatile uintptr_t *) to_v;
348 for (i = (size / sizeof (uintptr_t)); i; i--) {
356 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
357 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
363 This file uses Myri10GE driver indentation.